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Title:
POUCH WITH OXYGEN SCAVENGER AND METHOD OF FORMING POUCH WITH OXYGEN SCAVENGER
Document Type and Number:
WIPO Patent Application WO/2020/126914
Kind Code:
A1
Abstract:
A method of forming a pouch, comprising:adhering an oxygen scavenger to a pouch material, the pouch material being gas and moisture impermeable;enclosing a consumable item within the pouch material; and joining ends of the pouch material to form a sealed inner cavity. The sealed inner cavity contains the consumable item and at least one first portion of the oxygen scavenger.

Inventors:
FATH SCOTT A (US)
MACKO JASON A (US)
MITTEN ROBERT T (US)
Application Number:
PCT/EP2019/085104
Publication Date:
June 25, 2020
Filing Date:
December 13, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
PHILIP MORRIS PRODUCTS SA (CH)
International Classes:
B65B9/00; B65B11/48; B65B25/00; B65B25/06; B65B51/10; B65B55/19; B65B61/20; B65D75/20; B65D81/26
Domestic Patent References:
WO1998024625A11998-06-11
Foreign References:
US20180354702A12018-12-13
US20180002061A12018-01-04
JPH03148406A1991-06-25
Attorney, Agent or Firm:
NEVETT, Duncan (GB)
Download PDF:
Claims:
What is Claimed:

1. A method of forming a pouch, comprising:

adhering an oxygen scavenger to a pouch material, the pouch material being gas and moisture impermeable;

enclosing a consumable item within the pouch material; and

joining ends of the pouch material to form a sealed inner cavity, the sealed inner cavity containing the consumable item and at least one first portion of the oxygen scavenger.

2. The method of claim 1 , wherein the step of adhering occurs prior to the joining.

3. The method of claim 1 , wherein the step of adhering is part of the step of joining and the step of joining includes forming a seam in the pouch, and

wherein the oxygen scavenger is at least partially enveloped within the seam, and the at least one first portion of the oxygen scavenger extends from the seam into the sealed inner cavity.

4. The method of any one of the preceding claims, wherein the step of joining includes crimping the ends.

5. The method of claim 4, wherein the step of crimping of the ends includes:

applying heat to the joined ends of the pouch material to bring the joined ends to a temperature between about 137 degrees Celsius and 205 degrees Celsius; and

applying pressure to the joined ends, the pressure being between about 20 psi and 40 psi, and

wherein the step of applying of the heat and pressure occurs over a duration of less than 1 minute.

6. The method of any one of the preceding claims, wherein the step of adhering includes: applying heat to the oxygen scavenger and pressing the oxygen scavenger against at least one first portion of an inner surface of the pouch material, and

wherein the oxygen scavenger includes a matrix material, the matrix material including at least one first polymer material.

7. The method of claim 6, wherein the inner surface of the pouch material includes at least one first polymer layer.

8. The method of claim 7, further comprising:

forming the at least one first polymer layer to include a sealant that is a polymer-based sealant, a resin-based sealant, or a polymer-based sealant and a resin-based sealant.

9. The method of claim 6, wherein the at least one first polymer material is polyethylene.

10. The method of any one of the preceding claims, wherein the pouch material includes a foil layer.

11. The method of any one of the preceding claims, wherein the pouch material further includes at least one polymer layer.

12. The method of claim 11 , wherein the step of adhering includes adhering the at least one polymer layer to the oxygen scavenger.

13. The method of any one of the preceding claims, wherein the oxygen scavenger includes iron fragments in a matrix material, the matrix material including at least one first polymer material.

14. The method of any one of the preceding claims, wherein the step of adhering includes infusing the oxygen scavenger and a light-sensitive activator into at least one first portion of an inner surface of the pouch material, and

wherein the light-sensitive activator is configured to bind with free-oxygen to activate the oxygen scavenger following an exposure to a light source.

15. The method of any one of the preceding claims, further comprising:

infusing a light-sensitive activator within the oxygen scavenger, and

exposing the light-sensitive activator to a light source to cause the light-sensitive activator to bind with free-oxygen to activate the oxygen scavenger.

16. The method of any one of the preceding claims, further comprising:

reducing an oxygen level in the sealed inner cavity to a level that is 2 percent oxygen or less within a period of 30 days or less, and

wherein an initial gas in the sealed inner cavity is ambient air.

17. The method of any one of the preceding claims, further comprising: reducing an oxygen level in the sealed inner cavity to a level that is 1 percent oxygen or less,

an initial gas in the sealed inner cavity being ambient air.

18. The method of any one of the preceding claims, wherein the consumable item is an e- vaping cartridge with a pre-vapor formulation.

19. The method of any one of the preceding claims, wherein the oxygen scavenger is configured to allow oxygen diffusion through the oxygen scavenger.

20. A method of forming a pouch, comprising:

placing an oxygen scavenger onto a pouch material, the pouch material being gas and moisture impermeable;

enclosing a consumable item within the pouch material; and

joining ends of the pouch material to form a sealed inner cavity, the sealed inner cavity containing the consumable item and at least one first portion of the oxygen scavenger.

21. A pouch, comprising:

a pouch material defining an inner cavity, the pouch material being gas impermeable; a consumable item in the inner cavity; and

an oxygen scavenger, at least one first portion of the oxygen scavenger being in the inner cavity.

22. The pouch of claim 21 , wherein the pouch material is also moisture impermeable.

23. The pouch of claim 21 or claim 22, wherein the oxygen scavenger is adhered to the pouch material.

24. The pouch of any one of claims 21 to 23, wherein the pouch includes a seam, the oxygen scavenger being at least partially enveloped within the seam, the at least one first portion of the oxygen scavenger extending from the seam into the inner cavity.

25. The pouch of any one of claims 21 to 24, wherein the pouch material comprises a foil layer.

26. The pouch of claim 25, wherein the pouch material further comprises a polymer layer on an outer surface of the pouch material.

27. The pouch of claim 25, wherein the pouch material further comprises a polymer layer on an inner surface of the pouch material.

28. The pouch of claim 27, wherein the polymer layer has a lower melting point than the foil layer.

29. The pouch of any one of claims 21 to 28, wherein the oxygen scavenger includes iron fragments.

30. The pouch of any one of claims 21 to 29, wherein the oxygen scavenger includes iron fragments in a matrix material.

31. The pouch of claim 30, wherein the matrix material includes a polymer material.

32. The pouch of claim 31 , wherein the polymer material has a melting point between about 137 degrees Celsius and 205 degrees Celsius.

33. The pouch of any one of claims 21 to 32, wherein the oxygen scavenger is infused within at least one first portion of an inner surface of the pouch material.

34. The pouch of any one of claims 21 to 33, further comprising a light-sensitive activator.

35. The pouch of claim 34, wherein the light-sensitive activator is infused within the oxygen scavenger.

36. The pouch of claim 35, wherein the light-sensitive activator is configured to bind with free-oxygen to activate the oxygen scavenger following an exposure to a light source.

37. The pouch of any one of claims 21 to 36, wherein the oxygen scavenger is configured to reduce an oxygen level in the inner cavity to a level that is 2 percent oxygen or less within a period of 30 days or less, and an initial gas in the inner cavity is ambient air.

38. The pouch of any one of claims 21 to 37, wherein the oxygen scavenger is configured to reduce an oxygen level in the inner cavity to a level that is 2 percent oxygen or less within a period of 17 days or less, and an initial gas in the inner cavity is ambient air.

39. The pouch of any one of claims 21 to 38, wherein the oxygen scavenger is configured to reduce an oxygen level in the inner cavity to a level that is 1 percent oxygen or less within a period of 30 days or less, and an initial gas in the inner cavity is ambient air.

40. The pouch of any one of claims 21 to 39, wherein the consumable item is a part of an e-vaping device that includes a pre-vapor formulation.

41. A pouch, comprising:

a pouch material defining an inner cavity, the pouch material comprising a foil layer; a consumable item in the inner cavity; and

an oxygen scavenger, at least one first portion of the oxygen scavenger being in the inner cavity.

42. The pouch of claim 41 , wherein the pouch material is gas impermeable.

43. The pouch of claim 41 or claim 42, wherein the pouch material is moisture impermeable.

44. The pouch of any one of claims 41 to 43, wherein the oxygen scavenger is adhered to the pouch material.

45. The pouch of any one of claims 41 to 44, wherein the pouch includes a seam, the oxygen scavenger being at least partially enveloped within the seam, the at least one first portion of the oxygen scavenger extending from the seam into the inner cavity.

46. The pouch of any one of claims 41 to 45, wherein the pouch material further comprises a polymer layer on an outer surface of the pouch material.

47. The pouch of any one of claims 41 to 46, wherein the pouch material further comprises a polymer layer on an inner surface of the pouch material.

48. The pouch of claim 47, wherein the polymer layer has a lower melting point than the foil layer.

49. The pouch of any one of claims 41 to 48, wherein the oxygen scavenger includes iron fragments.

50. The pouch of any one of claims 41 to 49, wherein the oxygen scavenger includes iron fragments in a matrix material.

51. The pouch of claim 50, wherein the matrix material includes a polymer material.

52. The pouch of claim 51 , wherein the polymer material has a melting point between about 137 degrees Celsius and 205 degrees Celsius.

53. The pouch of any one of claims 41 to 52, wherein the oxygen scavenger is infused within at least one first portion of an inner surface of the pouch material.

54. The pouch of any one of claims 41 to 53, further comprising a light-sensitive activator.

55. The pouch of claim 54, wherein the light-sensitive activator is infused within the oxygen scavenger.

56. The pouch of claim 55, wherein the light-sensitive activator is configured to bind with free-oxygen to activate the oxygen scavenger following an exposure to a light source.

57. The pouch of any one of claims 41 to 56, wherein the oxygen scavenger is configured to reduce an oxygen level in the inner cavity to a level that is 2 percent oxygen or less within a period of 30 days or less, and an initial gas in the inner cavity is ambient air.

58. The pouch of any one of claims 41 to 57, wherein the oxygen scavenger is configured to reduce an oxygen level in the inner cavity to a level that is 2 percent oxygen or less within a period of 17 days or less, and an initial gas in the inner cavity is ambient air.

59. The pouch of any one of claims 41 to 58, wherein the oxygen scavenger is configured to reduce an oxygen level in the inner cavity to a level that is 1 percent oxygen or less within a period of 30 days or less, and an initial gas in the inner cavity is ambient air.

60. The pouch of any one of claims 41 to 59, wherein the consumable item is a part of an e-vaping device that includes a pre-vapor formulation.

Description:
POUCH WITH OXYGEN SCAVENGER AND METHOD OF FORMING POUCH

WITH OXYGEN SCAVENGER

Example embodiments relate generally to a method of forming a pouch with an oxygen scavenger, and a pouch with an oxygen scavenger.

Pouches are often used to store, ship and sell consumable items that may be perishable and therefore susceptible to oxygenation. Especially with regard to consumable items, such as elements for electronic vaping (e-vaping) devices where the elements may include a cartridge of an e-vaping device, these consumable items can experience degradation in an oxygenated environment. Such degradation can negatively impact a flavor system of the consumable items.

At least one example embodiment is directed toward a method of forming a pouch.

In one example embodiment, the method includes adhering an oxygen scavenger to a pouch material, the pouch material being gas and moisture impermeable; enclosing a consumable item within the pouch material; and joining ends of the pouch material to form a sealed inner cavity, the sealed inner cavity containing the consumable item and at least one first portion of the oxygen scavenger.

In one example embodiment, the adhering occurs prior to the joining.

In one example embodiment, the adhering is part of the joining; and the joining includes, forming a seam in the pouch, the oxygen scavenger being at least partially enveloped within the seam, and the at least one first portion of the oxygen scavenger extending from the seam into the sealed inner cavity.

In one example embodiment, the joining includes crimping the ends.

In one example embodiment, the crimping of the ends includes, applying heat to the joined ends of the pouch material to bring the joined ends to a temperature between about 137 degrees Celsius and 205 degrees Celsius, and applying pressure to the joined ends, the pressure being between about 20 pounds per square inch and 40 pounds per square inch, the applying of the heat and pressure occurring over a duration of less than 1 minute.

In one example embodiment, the adhering includes, applying heat to the oxygen scavenger and pressing the oxygen scavenger against at least one first portion of an inner surface of the pouch material, the oxygen scavenger including a matrix material, the matrix material including at least one first polymer material.

In one example embodiment, the inner surface of the pouch material includes at least one first polymer layer.

In one example embodiment, the method further includes forming the at least one first polymer layer to include a sealant that is a polymer-based sealant, a resin-based sealant, or a polymer-based sealant and a resin-based sealant. In one example embodiment, the at least one first polymer material is polyethylene.

In one example embodiment, the pouch material includes a foil layer.

In one example embodiment, the pouch material further includes at least one polymer layer.

In one example embodiment, the adhering adheres the at least one polymer layer to the oxygen scavenger.

In one example embodiment, the oxygen scavenger includes iron fragments in a matrix material, the matrix material including at least one first polymer material.

In one example embodiment, the adhering, includes infusing the oxygen scavenger and a light-sensitive activator into at least one first portion of an inner surface of the pouch material, the light-sensitive activator being configured to bind with free-oxygen to activate the oxygen scavenger following an exposure to a light source.

In one example embodiment, the method further includes infusing a light-sensitive activator within the oxygen scavenger, and exposing the light-sensitive activator to a light source to cause the light-sensitive activator to bind with free-oxygen to activate the oxygen scavenger.

In one example embodiment, the method further includes reducing an oxygen level in the sealed inner cavity to a level that is 2 percent oxygen or less within a period of 30 days or less, an initial gas in the sealed inner cavity being ambient air.

In one example embodiment, the method further includes reducing an oxygen level in the sealed inner cavity to a level that is 1 percent oxygen or less, an initial gas in the sealed inner cavity being ambient air.

In one example embodiment, the consumable item is an e-vaping cartridge with a pre vapor formulation.

In one example embodiment, the oxygen scavenger is configured to allow oxygen diffusion through the oxygen scavenger.

At least one example embodiment is directed toward a method of forming a pouch.

In one example embodiment, the method includes placing an oxygen scavenger onto a pouch material, the pouch material being gas and moisture impermeable; enclosing a consumable item within the pouch material; and joining ends of the pouch material to form a sealed inner cavity, the sealed inner cavity containing the consumable item and at least one first portion of the oxygen scavenger.

At least one example embodiment id directed toward a pouch.

In one example embodiment, the pouch includes a pouch material defining an inner cavity, the pouch material being gas impermeable; a consumable item in the inner cavity; and an oxygen scavenger, at least one first portion of the oxygen scavenger being in the inner cavity. In one example embodiment, the pouch material is also moisture impermeable.

In one example embodiment, the oxygen scavenger is adhered to the pouch material.

In one example embodiment, the pouch includes a seam, the oxygen scavenger being at least partially enveloped within the seam, the at least one first portion of the oxygen scavenger extending from the seam into the inner cavity.

In one example embodiment, the pouch material includes a foil layer.

In one example embodiment, the pouch material further includes a polymer layer on an outer surface of the pouch material.

In one example embodiment, the pouch material further includes a polymer layer on an inner surface of the pouch material.

In one example embodiment, the polymer layer has a lower melting point than the foil layer.

In one example embodiment, the oxygen scavenger includes iron fragments.

In one example embodiment, the oxygen scavenger includes iron fragments in a matrix material.

In one example embodiment, the matrix material includes a polymer material.

In one example embodiment, the polymer material has a melting point between about 137 degrees Celsius and 205 degrees Celsius.

In one example embodiment, the oxygen scavenger is infused within at least one first portion of an inner surface of the pouch material.

In one example embodiment, the pouch further includes a light-sensitive activator.

In one example embodiment, the light-sensitive activator is infused within the oxygen scavenger.

In one example embodiment, the light-sensitive activator is configured to bind with free- oxygen to activate the oxygen scavenger following an exposure to a light source.

In one example embodiment, the oxygen scavenger is configured to reduce an oxygen level in the inner cavity to a level that is 2 percent oxygen or less within a period of 30 days or less, and an initial gas in the inner cavity is ambient air.

In one example embodiment, the oxygen scavenger is configured to reduce an oxygen level in the inner cavity to a level that is 2 percent oxygen or less within a period of 17 days or less, and an initial gas in the inner cavity is ambient air.

In one example embodiment, the oxygen scavenger is configured to reduce an oxygen level in the inner cavity to a level that is 1 percent oxygen or less within a period of 30 days or less, and an initial gas in the inner cavity is ambient air.

In one example embodiment, the consumable item is a part of an e-vaping device that includes a pre-vapor formulation.

At least one example embodiment is directed toward a pouch. In one example embodiment, the pouch includes a pouch material defining an inner cavity, the pouch material comprising a foil layer; a consumable item in the inner cavity; and an oxygen scavenger, at least one first portion of the oxygen scavenger being in the inner cavity.

In one example embodiment, the pouch material is gas impermeable.

In one example embodiment, the pouch material is moisture impermeable.

In one example embodiment, the oxygen scavenger is adhered to the pouch material.

In one example embodiment, the pouch includes a seam, the oxygen scavenger being at least partially enveloped within the seam, the at least one first portion of the oxygen scavenger extending from the seam into the inner cavity.

In one example embodiment, the pouch material further includes a polymer layer on an outer surface of the pouch material.

In one example embodiment, the pouch material further includes a polymer layer on an inner surface of the pouch material.

In one example embodiment, the polymer layer has a lower melting point than the foil layer.

In one example embodiment, the oxygen scavenger includes iron fragments.

In one example embodiment, the oxygen scavenger includes iron fragments in a matrix material.

In one example embodiment, the matrix material includes a polymer material.

In one example embodiment, the polymer material has a melting point between about 137 degrees Celsius and 205 degrees Celsius.

In one example embodiment, the oxygen scavenger is infused within at least one first portion of an inner surface of the pouch material.

In one example embodiment, the pouch further includes a light-sensitive activator.

In one example embodiment, the light-sensitive activator is infused within the oxygen scavenger.

In one example embodiment, the light-sensitive activator is configured to bind with free- oxygen to activate the oxygen scavenger following an exposure to a light source.

In one example embodiment, the oxygen scavenger is configured to reduce an oxygen level in the inner cavity to a level that is 2 percent oxygen or less within a period of 30 days or less, and an initial gas in the inner cavity is ambient air.

In one example embodiment, the oxygen scavenger is configured to reduce an oxygen level in the inner cavity to a level that is 2 percent oxygen or less within a period of 17 days or less, and an initial gas in the inner cavity is ambient air. In one example embodiment, the oxygen scavenger is configured to reduce an oxygen level in the inner cavity to a level that is 1 percent oxygen or less within a period of 30 days or less, and an initial gas in the inner cavity is ambient air.

In one example embodiment, the consumable item is a part of an e-vaping device that includes a pre-vapor formulation.

FIG. 1 is an illustration of an unsealed pouch with a consumable item and an oxygen scavenger, in accordance with an example embodiment;

FIG. 2 is an illustration of the pouch of FIG. 1 in a partially sealed configuration, in accordance with an example embodiment;

FIG. 3 is an illustration of the pouch of FIG. 1 in a fully sealed configuration, in accordance with an example embodiment;

FIG. 4 is an illustration of an oxygen scavenger being sealed within a seam of a pouch, in accordance with an example embodiment;

FIG. 5A is a diagram illustrating an unsealed pouch, in accordance with an example embodiment;

FIG. 5B is a diagram illustrating a front view of the pouch of FIG. 5A in a sealed configuration, in accordance with an example embodiment;

FIG. 5C is a diagram illustrating a tear open cut on at least one end of the sealed pouch of FIG. 5B, in accordance with an example embodiment;

FIG. 5D is a diagram illustrating a rear view of the sealed pouch of FIG. 5B, in accordance with an example embodiment;

FIG. 6A is an illustration of a front view of a sealed pouch, in accordance with an example embodiment;

FIG. 6B is an illustration of a rear view of the sealed pouch of FIG. 6A, in accordance with an example embodiment;

FIG. 7 is a flowchart detailing a method of making a pouch with an oxygen scavenger, in accordance with an example embodiment;

FIG. 8 is an illustration of a cross-section of a pouch material, in accordance with an example embodiment;

FIG. 9 is an illustration of a cross-section of another pouch material, in accordance with an example embodiment;

FIG. 10 is an illustration of a cross-section of another pouch material, in accordance with an example embodiment;

FIG. 1 1 is a chart illustrating a heat sealing curve for a pouch material, in accordance with an example embodiment;

FIG. 12 is a chart illustrating a reduction in oxygen levels in a gas and moisture impermeable pouch with an oxygen scavenger, in accordance with an example embodiment. Some detailed example embodiments are disclosed herein. However, specific structural and functional details disclosed herein are merely representative for purposes of describing example embodiments. Example embodiments may, however, be embodied in many alternate forms and should not be construed as limited to only the example embodiments set forth herein.

Accordingly, while example embodiments are capable of various modifications and alternative forms, example embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It should be understood, however, that there is no intent to limit example embodiments to the particular forms disclosed, but to the contrary, example embodiments are to cover all modifications, equivalents, and alternatives thereof. Like numbers refer to like elements throughout the description of the figures.

It should be understood that when an element or layer is referred to as being "on," "connected to," "coupled to,"“attached to,”“adjacent to,” or "covering", and so forth, another element or layer, it may be directly on, connected to, coupled to, attached to, adjacent to or covering, and so forth, the other element or layer, or intervening elements or layers may be present. In contrast, when an element is referred to as being "directly on," "directly connected to," or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout the specification. As used herein, the term "and/or" includes any and all combinations or sub-combinations of one or more of the associated listed items.

It should be understood that, although the terms first, second, third, and so forth may be used herein to describe various elements, components, regions, layers and sections, these elements, components, regions, layers, and sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer, or section from another region, layer, or section. Therefore, a first element, component, region, layer, or section discussed below could be termed a second element, component, region, layer, or section without departing from the teachings of example embodiments.

Spatially relative terms (for example, "beneath," "below," "lower," "above," "upper," and the like) may be used herein for ease of description to describe one element or feature's relationship to another elements or features as illustrated in the figures. It should be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Therefore, the term "below" may encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. The terminology used herein is for the purpose of describing various example embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "includes," "including," "comprises," and "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

When the words "about" and“substantially” are used in this specification in connection with a numerical value, it is intended that the associated numerical value include a tolerance of plus or minus'! 0 percent around the stated numerical value, unless otherwise explicitly defined.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which example embodiments belong. It will be further understood that terms, including those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

FIG. 1 is an illustration of an unsealed pouch 1 with a consumable item (element) 20 and an oxygen scavenger 30, in accordance with an example embodiment. The unsealed pouch 1 includes a sheet of pouch material 10. In some example embodiments, the sheet of pouch material 10 is gas and moisture impermeable. The pouch material 10 may be pliable to more easily be formed into a sealed pouch 1 b (see FIG. 3). In some example embodiments, the pouch material 10 provides a barrier that prevents oxygen migration into and out of the sealed pouch 1 b. In an example embodiment, the pouch material 10 is a foil, a foil laminate, or a composite material with at least one foil layer. In some examples, the foil may include an aluminum layer, or an aluminum alloy layer. In another embodiment, the pouch material 10 is made from a pliable metalized film. In an example embodiment, the pouch material 10 includes a polymer layer, where the polymer layer may be combined with one or more of the foil, foil laminate, composite material and the metalized film. In some examples, the polymer layer may be a low melting point polymer, where the polymer layer covers one or both of an inside and an outside surface of the pouch material 10. In an example embodiment, the pouch material 10 can withstand one or both of crimping and heat sealing, where the crimping or heat sealing is performed using an application of one or both of heat and pressure.

The consumable item 20 may be a non-perishable, perishable or semi-perishable consumable item. In an example embodiment, the consumable item 20 may be an electronic vaping (e-vaping) device, or an element of an e-vaping device, such as an e-vaping cartridge. The consumable item 20 may also include a flavor system within the element.

The oxygen scavenger 30 may come in many forms, and may or may not be in direct contact with the consumable item 20 within the pouch 1. In some examples, the quantity of the oxygen scavenger 30 within the pouch 1 is such that the scavenger 30 is able to remove an expected volumetric quantity of oxygen within an inner cavity of the pouch 1 , once the pouch 1 is sealed.

A“gas impermeable” material / layer is a material with an oxygen transmission rate (OTR) of less than 0.016 centimetre cubed per metre squared per day at test conditions of 73 degrees Fahrenheit with 0 percent relative humidity using American Society for Testing and Materials (ASTM) standard D-3985. A“moisture impermeable” material / layer means a material with a moisture vapor transmission rate (MVTR) of less than 0.016 grams of water per metre squared per day at test conditions of 100 degrees Fahrenheit with 90 percent relative humidity using ASTM standard F-1249.

FIG. 2 is an illustration of a partially sealed pouch 1a, in accordance with an example embodiment. In an example embodiment, the partially sealed pouch 1 a is sealed, as shown for instance in the example embodiment of FIG. 3, described below. In the partially sealed pouch 1a configuration, ends of the pouch material 10 may be joined via a crimp (heat seal) 10a, where the pouch material 10 forms an inner cavity 40 with an unsealed end 10b. In an example embodiment, all ends of the partially sealed pouch 1a, besides or in addition to the unsealed ends 10b shown in FIG. 2, are either sealed, as described herein. In an alternative embodiment, ends of the pouch material 10 may be joined by one or more of an adhesive, a stitching, a folding, and another structure in lieu of, or in addition to crimping or heat sealing. The stitching may involve using one or more of a filament, a fiber and a thread. In another alternative embodiment, or in addition to the other embodiments, the partially sealed pouch 1a is extruded or blown into a suitable shape, where the unsealed end 10b of the extruded or blown pouch 1 a may be sealed by one or both of the structure and means described herein.

As shown in FIG. 2, the oxygen scavenger 30 may contact the consumable item 20, or alternatively the oxygen scavenger 30 may not contact the consumable item 20, as long as at least a portion of the oxygen scavenger 30 is directly exposed to the inner cavity 40 that also contains the consumable item 20. The oxygen scavenger 30 may be loose within the inner cavity 40, or may, for instance, be one or both of adhered and melted to an inner surface 10c of the pouch material 10, be one or both of adhered and melted to an inner surface 10c of an end of the pouch material 10, or the oxygen scavenger 30 may be one or both of adhered and melted into the crimp (heat seal) 10a.

FIG. 3 is an illustration of a pouch 1 b in a fully sealed configuration, in accordance with an example embodiment. In this sealed configuration, or in a similar sealed configuration (based on any of the embodiments of the pouch described herein), the oxygen scavenger 30 may in certain example embodiments, over time, reduce a concentration of free-oxygen (molecular oxygen) within the airspace of the inner cavity 40 of the pouch 1 b, thereby effectively creating or approximating a chemically-inert atmosphere within the sealed pouch 1 b. In some example embodiments, said atmosphere may be created even in the absence of any process that may remove one or both of air and oxygen from the sealed pouch 1 b, or any process that may replace oxygenated-air with an inert gas, prior to the pouch 1 b being sealed. In an alternative embodiment, a process of removing air from the pouch 1 b, or substituting oxygenated-air with an inert or semi-inert gas, may be combined with the addition of the oxygen scavenger 30 within the pouch 1 b.

In an example embodiment, the crimp 10a of the pouch 1 b may have an outer corrugated surface (for example, as illustrated in FIG. 3), and the crimp 10a may define a notch 10d and/or a score line 10e that may allow the pouch 1 b to be easily torn open. In another embodiment, or in addition to the notch 10d or score line 10e, a marking or indicia may be included on the outer surface of the pouch in order to signify a weakened portion of the pouch 1 b that is to be torn open.

FIG. 4 is an illustration of an oxygen scavenger 30 being sealed within a seam 50 of a partially-sealed pouch 1c, in accordance with an example embodiment. In an example embodiment, open ends, or all ends of the partially-sealed pouch 1c, are sealed, as described herein. In this embodiment, the oxygen scavenger 30 is at least partially melted and pressed into the crimp (heat seal) 10a, where an exposed end 30a of the oxygen scavenger 30 extends into the inner cavity 40 that contains the consumable item 20. In an alternative embodiment, the oxygen scavenger 30 is one or both of captured and sewn into the seam 50 of joined ends of the pouch material 10 via the use of one or more of an adhesive, a stitching, folding, and other structure in lieu of, or in addition to, crimping / heat sealing. The stitching may involve using one or more of a filament, a fiber and a thread. In example embodiments, the quantity of the exposed end 30a of the oxygen scavenger 30 is such that the oxygen scavenger 30 is able to remove an expected volumetric quantity of free-oxygen within the inner cavity 40 of the pouch 1 b.

FIG. 5A is a diagram illustrating another unsealed pouch 2, in accordance with an example embodiment. The pouch material 10 may include a knurled border 11 a, where the knurled border 1 1a can be crimped to form a sealed pouch 2a (see, for example, FIGS. 5B and 5D). In some example embodiments, the pouch material 10 may be folded to form the sealed pouch 2a. In some example embodiments, the pouch material 10 may be folded on fold lines 1 1 b to form the sealed pouch 2a, where the fold lines 1 1 b may be visible lines, or the fold lines 1 1 b may not be visible. In an example embodiment, the pouch material 10 may be rectangular in shape, and an overall length 12b of the pouch material 10 may be about 88 millimetres and an overall width 12a may be about 78 millimetres. Once the pouch material 10 is folded, the width 12c of the folded and sealed pouch 2b may be about 30 millimetres. The knurled border 1 1a on the side-ends of the pouch material 10 may have a width 13a of about 9 millimetres, where these side-ends may be joined via crimping to form a“fin seal” 2c (see, for example, FIGS. 5D and 6B). The knurled border 1 1a on the top and bottom of the pouch material 10 may have a width 13b of about 8.375 millimetres. A useable interior width 12e and length 12d of the pouch material 10 (the non-knurled portion of the pouch material) may be about 60 millimetres and 71.25 millimetres, respectively. Any other dimensions or shapes for the pouch may be used, for example, depending on the items or items to be stored within the pouch.

In an example embodiment, the border 1 1 a of the pouch material 10 is made from a material that can be one or both of joined and crimped, where the border 11 a is optionally non- knurled.

FIG. 5B is a diagram illustrating a front 2b1 of a sealed pouch 2a made from the unsealed pouch 2 of FIG. 5A, in accordance with an example embodiment. The sealed pouch 2a can be formed from crimping (heat sealing) ends of the pouch material 10 together along the knurled area 11a. In an example embodiment, at least one portion of the knurled area 1 1a may include a non-knurled area 14 (see FIG. 5C) that may facilitate tearing and opening of the pouch 2a. In some example embodiments, non-knurled area 14 may be included at a bottom end and at a top end of the pouch, as shown in 5B, some embodiments may only include non-knurled area 14 in one end of the pouch (see, for example, FIG. 6A), and some examples may not include such area 14.

FIG. 5C is a diagram illustrating the non-knurled area 14 of FIG. 5B, in accordance with an example embodiment. The non-knurled area 14 may be used to weaken the crimped / knurled 1 1a portion of the pouch 2a to make the pouch 2a easier to tear and open in this area 14. The non-knurled area may optionally include a score line 14a to further allow for easy tearing. In an example embodiment, a notch or indention (not shown) may be included in lieu of, or in addition to, the score line 14a. In another embodiment, one or more of a score line, notch, indention and other weakened area formed in the knurled area 11 a (as opposed to being formed in a non-knurled area 14) can be used to facilitate tearing and opening. In yet another embodiment, other structure may be used to weaken a portion of the pouch 2a to facilitate one or both of tearing and opening, where the other structure can include any combination of notches, indentations, score lines, dissimilar materials, non-knurled areas, and so forth.

FIG. 5D is a diagram illustrating a rear 2b2 of the sealed pouch 2a of FIG. 5B, in accordance with an example embodiment. In an example embodiment, the rear 2b2 of the pouch 2a can include a“fin seal” 2c (also shown in 6B) formed via the crimping / joining of ends of the pouch material 10, where the fin seal 2c extends away from the sealed pouch 2a but may be folded to lay along the rear 2b2 of the pouch 2a.

In an example embodiment, the pouch material 10 is made from a material that facilitates tearing and opening. In some embodiments, the fin seal 2c can facilitate tearing and opening of the pouch 2a, where the fin seal 2c is manually pulled to cause tearing to occur along a base of the fin seal 2c to facilitate opening of the pouch 2a, with or without a weakened area.

In an example embodiment, a weakened area (not shown) is included at the base of the fin seal 2c, thereby facilitating the opening of the pouch 2a by manually pulling the fin seal 2c.

FIG. 6A is an illustration of the front 2b1 of a sealed pouch 2a, in accordance with an example embodiment, including a consumable item 20 and oxygen scavenger 30. FIG. 6B is an illustration of a rear 2b2 of the sealed pouch 2a of FIG. 6A, in accordance with an example embodiment. This view depicts a“fin seal” 2c along the rear 2b2 of the pouch 2a.

FIG. 7 is a flowchart detailing a method of making a sealed pouch 1 b with an oxygen scavenger 30, in accordance with an example embodiment. In step S102, the oxygen scavenger 30 is adhered to at least a portion of an inner surface 10c of the pouch material 10. In some examples, the pouch material 10 is one or both of gas impermeable and moisture impermeable. In an example embodiment, this step is performed through a combined application of heat and pressure to ensure that the oxygen scavenger 30 forms a bond with the inner surface 10c of the pouch material 10. Alternatively, or in addition to the application of heat and pressure, the oxygen scavenger 30 may be adhered to the pouch material 10 via one or more of sewing, stitching, an application of an adhesive and other structure that may be used to affix the oxygen scavenger 30 to the pouch material 10. In some example embodiments, the oxygen scavenger 30 may simply be placed in an inner surface of the pouch material without adhering the oxygen scavenger 30 to said surface.

In another embodiment, the adhering of the oxygen scavenger to the inner surface 10c of the pouch material 10 (step S102) is accomplished during the providing of the pouch material 10 (step S100). In particular, during the formation of the pouch material 10, the oxygen scavenger 30, or elements of the oxygen scavenger 30, may be infused into some or all of the inner surface 10c of the pouch material 10. Or, the oxygen scavenger 30 may be the inner surface 10c of the pouch material 10, or elements of the oxygen scavenger 30 may comprise at least a portion of the inner surface 10c of the pouch material 10. In an example embodiment, the inner surface 10c of the pouch material 10 is made from a material that allows for oxygen migration through the inner surface 10c. In an example embodiment, a light-sensitive activator, such as a photo-initiator or photo-activator, is included in the oxygen scavenger 30, co-mingled with the elements of the oxygen scavenger 30, or both. In an example embodiment, the light-sensitive activator includes molecules that, when exposed to a light source, will create a free-radical that binds with free-oxygen in a reduction reaction, so that the free-oxygen will in turn bind with the elements of the oxygen scavenger to initiate (activate) a further reaction between the oxygen scavenger and additional free-oxygen, as described below in more detail. In an example embodiment, the oxygen scavenger 30, or elements of the oxygen scavenger 30, and the light-sensitive activator, are infused into the inner surface 10c of the pouch material 10. In some embodiments that involve the light-sensitive activator, the oxygen scavenger 30 containing the light-sensitive activator, or the inner surface 10c of the pouch material 10 containing the elements of the oxygen scavenger 30 and the light-sensitive activator, can be shielded from the light source prior to the complete formation of the sealed pouch 1 b (in step S106, described below). This may be accomplished by keeping one or both of the oxygen scavenger 30 and inner surface 10c covered, stored in a roll or stored in a light-depleted environment to ensure that the light-sensitive activator is not exposed to a light source that would otherwise inadvertently initiate the reaction between the light-sensitive activator and free-oxygen prior to the formation of the sealed pouch 1 b.

In an example embodiment, a light-sensitive activator initiates a reaction with free- oxygen by being exposed to a light source that is ultraviolet (UV) light. In another embodiment, a light-sensitive activator initiates a reaction with free-oxygen by being exposed to a light source that is visible light, or portions of the spectrum of visible light. In some embodiments, a light-sensitive activator that is a part of the oxygen scavenger 30, or co-mingled with the elements of the oxygen scavenger 30 (either in an oxygen scavenger 30 material, or infused within the inner surface 10c of the pouch material 10), is exposed to the light source prior to either step S104 or step S106, described below.

In step S104, the consumable item 20 is enclosed within at least a portion of the pouch material 10. In some example embodiments, this may occur while the pouch is in a partially- sealed 1 a/1 c configuration.

In step S106, ends of the pouch material 10 are joined to form a sealed inner cavity 40 that contains the consumable item 20. The joining of the pouch material 10 may be accomplished through crimping (heat sealing), where a combined application of heat and pressure is used to form the crimp 10a. In an example embodiment, the crimping is accomplished using an applied pressure of about 20-40 pounds per square inch (138- 276 kPa) for a duration of less than 1 minute, with an applied temperature of about 137-205 degrees Celsius. In another embodiment, crimping is accomplished using an applied pressure of about 30 pounds per square inch (207 kPa) with an applied temperature of about 137-205 degrees Celsius, or about 170 degrees Celsius. Other crimping pressures may be used. The joining of the pouch material 10 may also be accomplished through the use of one or more of an adhesive, a stitching, folding, and other structure in lieu of, or in addition to crimping. The stitching may involve using one or more of a filament, a fiber and a thread. In an example embodiment, the steps S102 / S106 are accomplished in a same one step, where the oxygen scavenger 30 may be partially sealed within a seam 50 of joined pouch material 10 through the use of crimping, sewing, stitching, adhesive bonding, folding, and so forth. In the event that the oxygen scavenger 30 is partially sealed within the seam 50 of the sealed pouch 1 b, in some example embodiments an exposed end 30a of the oxygen scavenger 30 extends into the inner cavity 40 containing the consumable item 20 so that a quantity of the exposed end 30a will remove an expected volumetric quantity of oxygen within the inner cavity 40.

Oxygen Scavenger Composition & Physical Properties according to some example embodiments

In an example embodiment, an oxygen scavenger 30 may include iron fragments mixed within a matrix to form a strip. In this embodiment, the iron fragments may be one or both of evenly and homogenously mixed within the matrix. In an example embodiment, the matrix of the oxygen scavenger 30 is made from a material that allows oxygen migration / diffusion through the oxygen scavenger 30, where the materials for the matrix, described herein, allow for such migration / diffusion. In an example embodiment, the matrix is a polymer matrix (polymer material) or a thermoplastic. In another embodiment, the matrix is made from polyethylene. In an example embodiment, the polymer material of the matrix of the oxygen scavenger 30 has a melting point temperature that is similar, or the same, as the melting point temperature of the inner surface 10c of the pouch 1. In an example embodiment, the difference in melting point temperature between the inner surface 10c of the pouch 1 and the polymer material of the matrix of the oxygen scavenger 30 is about 25 degrees Celsius or less, or about 10 degrees Celsius or less, or about 5 degrees Celsius or less. In an example embodiment, the polymer material of the matrix of the oxygen scavenger 30 is a same material as the material that forms the inner surface 10c of the pouch 1. In an example embodiment, the melting point temperature of the polymer material of the matrix is lower than a melting point temperature of a gas and moisture impermeable layer of the pouch, and lower than a melting point temperature of layers of the pouch material 10 that are not the inner surface 10c of the pouch material 10. In example embodiments, the iron fragments in the oxygen scavenger 30 remove free-oxygen by binding with available free-oxygen via an iron oxidation reaction. The iron oxidation reaction, in essence, causes the iron fragments to rust. In example embodiments, the quantity of iron fragments in the oxygen scavenger 30 is such that the iron fragments will bind with an expected quantity of oxygen in the sealed pouch 1 b. In an example embodiment, a light-sensitive activator, such as a photo-initiator or photo-activator, is included in the oxygen scavenger 30, co-mingled with active elements of the oxygen scavenger 30, or both. In example embodiments, active elements of the oxygen scavenger include elements that bind with free-oxygen, where these active elements may include the iron fragments. In an example embodiment, the light-sensitive activator includes molecules that, when exposed to light, will create a free-radical that binds with free-oxygen in a reduction reaction, so that the free-oxygen will in turn bind with the elements of the oxygen scavenger 30 to initiate (activate) a further reaction between the oxygen scavenger 30 and additional free-oxygen. In an example embodiment, the oxygen scavenger 30, or elements of the oxygen scavenger 30, and the light-sensitive activator, are infused into the inner surface 10c of the pouch material 10, and the inner surface 10c is made from a material that allows oxygen migration.

An oxygenation reaction involving the light-sensitive activator is shown below, according to an example embodiment. An activator (A) can be any known light-sensitive activator that produces a free-radical in the presence of light. Equation 1 is initiated by the activator being exposed to light (L). In these example reactions, the free-radical (·) includes a single unpaired electron.

A — L— > A· Eq. 1

2A· + 02 -— > 2A + + 20-· Eq. 2

2Fe +2 + 3(0-·) -— > Fe 2 0 3 Eq. 3

In an example embodiment, the light-sensitive activator is a uni-molecular free-radical generating photo-initiator that may be a peroxide, a benzophenone derivative, a benzoyl derivative, anthrone or xanthone. In an example embodiment, the light-sensitive activator is a uni-molecular free-radical generating photo-initiator that undergoes homolytic cleavage to produce the free-radical. In an example embodiment, the light-sensitive activator is a combination of two or more of these example activators.

In an example embodiment, the oxygen scavenger 30, or the inner surface 10c of the pouch material 10 that is or includes the oxygen scavenger, is perforated, or a surface of the oxygen scavenger 30 is wavy, textured, lenticular, or otherwise non-smooth, in order to increase an overall surface area of one or both of the oxygen scavenger 30 and inner surface 10c.

Pouch Material according to some example embodiments

FIG. 8 is an illustration of a cross-section of a pouch material 10, in accordance with an example embodiment. In the example embodiment, the pouch material 10 is gas and moisture impermeable, and the pouch material 10 is a multi-layer structure that includes a gas and moisture impermeable layer 102 bracketed by low melting point polymer layers 100 / 104. In an example embodiment, the gas and moisture impermeable layer 102 is a foil layer that includes a foil, a foil laminate, a composite material with at least one foil layer, an aluminum layer, an aluminum alloy layer, a pliable metalized film layer, or a combination of one or more of these. In an alternative embodiment, the gas and moisture impermeable layer 102 is a polymer that includes an elastomer, plastic, vinyl, rubber, butyl rubber, polyethylene, ethylene vinyl alcohol (EVOH), or a composite of any of these materials, or a composite of pliable or semi-pliable polymer materials that are gas and moisture impermeable.

In an example embodiment, the polymer layers 100 / 104 are made from a relatively low melting point polymer, relative to the gas and moisture impermeable layer 102, where each layer 100 / 104 may be a same polymer material, or a different polymer material. In an example embodiment, the polymer layers 100 / 104 include biaxially-oriented polyethylene terephthalate (BOPET), polyethylene (PE), polypropylene, other similar low-melting point polymers or thermoplastics, or combinations thereof. The polymer layers 100 / 104 may, for instance, include a layer or layers of elastomers, plastics, or other pliable polymer layers that have a relatively low melting point, or combinations of these materials. In using the pouch material 10 to make the sealed pouch 1 b (using the method of FIG. 7), the oxygen scavenger 30 can be connected to or in contact with one of the polymer layers 100/104, once the ends of the pouch material 10 are joined to seal the pouch 1 b. In an example embodiment, the polymer layers 100 / 104 are made from a material that allows oxygen migration / diffusion through the layers 100 / 104.

In an example embodiment, the oxygen scavenger 30 is one or both of the polymer layers 100 / 104. In another embodiment, active elements of the oxygen scavenger 30 (for example, iron fragments) are infused into at least one of the polymer layers 100 / 104. In an example embodiment, a light-sensitive activator is also co-mingled or infused with active elements of the oxygen scavenger 30 into at least one of the polymer layers 100 / 104. In an example embodiment, active elements of the oxygen scavenger 30 and a light-sensitive activator are homogenously mixed together within one or both of the polymer layers 100 / 104.

An example embodiment pouch material 10 that includes a gas and moisture impermeable layer 102, with outer low melting point polymer layers 100 / 104, can provide a pliable or semi-pliable pouch material 10. The pouch material 10 is one or more of easy to work with, impervious to oxygen / gas exchange, and conveniently joined or crimped (heat sealed) using low temperature heating. However, in an alternative embodiment, the pouch material 10 is a single layer material, where the single layer is a gas and moisture impermeable layer. In another embodiment, the pouch material 10 is a multi-layer material, where each of the layers is a gas and moisture impermeable layer. In an example embodiment, the pouch material 10 is devoid of polymer layers, or devoid of low melting point outer layers.

FIG. 9 is an illustration of a cross-section of another pouch material 10f, in accordance with an example embodiment. In an example embodiment, the pouch material 10f is a multi- layer material that includes a polymer layer 100 and a gas and moisture impermeable layer 102. In this embodiment, the pouch material 10f can be joined at the ends to form a pouch in a same manner as described above in relation to FIG. 2, where the joining of the ends of the material involves joining the polymer layers 100 together. That is to say, the pouch is assembled so that the polymer layer 100 forms an interior of the pouch and the gas and moisture impermeable layer 102 forms an exterior surface of the pouch, where the oxygen scavenger 30 is connected to or in contact with the polymer layer 100. In an example embodiment, crimping is used to heat and press ends of the polymer layer 100 together to join ends of the pouch material 10f to form the pouch. In another embodiment, other methods of joining ends of the pouch material 10f together is used to form the pouch, where the other methods may include the use of one or more of an adhesive, a stitching, folding, extruding, blowing and other structure in lieu of, or in addition to crimping. The stitching may include using one or more of a filament, a fiber and a thread. The polymer layer 100 has a lower melting point temperature relative to the gas and moisture impermeable layer 102. In an example embodiment, the polymer layer 100 is made from a material that allows oxygen migration / diffusion through the layer 100, where the materials for the layer 100 listed above allow for such migration / diffusion.

In an example embodiment, the oxygen scavenger 30 is the polymer layer 100, or is part of the polymer layer 100. In an example embodiment, active elements of the oxygen scavenger 30 (for example, iron fragments) are infused into the polymer layer 100, where a light-sensitive activator may also be co-mingled or infused with the active elements of the oxygen scavenger 30 into the polymer layer 100. In an example embodiment, active elements of the oxygen scavenger 30 and a light-sensitive activator are homogenously mixed together within the polymer layer 100.

FIG. 10 is an illustration of a cross-section of another pouch material 10g, in accordance with an example embodiment. In an example embodiment, the gas and moisture impermeable portion of the pouch material 10g includes several layers that include: a biaxially- oriented polyethylene terephthalate (BOPET) layer 200, a polyethylene layer (that may be a clear or translucent polyethylene, or PE) 202 and a foil layer 204. In an example embodiment, the pouch material 10g also includes an adhesive layer 206 and a sealant layer 208. The sealant 208 may be a polyethylene-based sealant, a polyethylene terephthalate (PET)-based sealant, a resin-based sealant, or combinations of these. In an example embodiment, the resin-based sealant is an ionomer resin sealant, such as a Surlyn® sealant, where Surlyn® is a registered trademark of DowDuPont Inc. In an example embodiment, the sealant layer 208 is a TOPAS® cyclic olefin copolymer (COC) resin sealant, such as a CXB® sealant, where TOPAS® and CXB® are registered trademarks of Bemis Company, Inc. In an example embodiment, the sealant layer 208 is connected to the foil layer 204 by the adhesive layer 206. The sealant layer 208 of an example embodiment has a lower melting point relative to the gas and moisture impermeable layers (layers 200, 202 and 204). In an example embodiment, the sealant layer 208 is made from a material that allows oxygen migration / diffusion through the sealant layer 208, where the materials for the sealant layer 208 listed above allow for such migration / diffusion.

In an example embodiment, adhesive 206 may be a silicone-based adhesive, a food- grade polymer, a food-grade epoxy, combinations of these materials, or other suitable adhesives used for the storage of one or both of food-grade and consumable items.

In an example embodiment, a pouch material 10g includes the following layers listed with respective thicknesses: 12 microns of BOPET layer 200, 13 microns of PE layer 202, 8.9 microns of foil layer 204, 2.0 microns of the adhesive layer 206 and 50.8 microns of sealant layer 208.

A pouch material 10g may be used to form a pouch in a manner that is the same as that described in relation to FIGS. 2, 8 and 9, according to example embodiments. In an example embodiment, in order to join ends of the pouch material 10g together, the sealant layer 208 portion of the pouch material 10g is joined, causing the sealant layer 208 to form an interior surface of the assembled pouch and the gas and moisture impermeable layer to form an exterior surface of the assembled pouch. Therefore, the oxygen scavenger 30 is connected or contacting the sealant layer 208 once the sealed pouch 1 b is formed from the pouch material 10g. In an example embodiment, the exterior surface of the assembled pouch is the BPOET layer 200.

In an example embodiment, the oxygen scavenger 30 is the sealant layer 208 or is part of the sealant layer 208. In an example embodiment, active elements of the oxygen scavenger 30 (for example, iron fragments) are infused into the sealant layer 208, where a light-sensitive activator may also be co-mingled or infused with active elements of the oxygen scavenger 30 into the sealant layer 208. In an example embodiment, active elements of the oxygen scavenger 30 and a light-sensitive activator are homogenously mixed together within the sealant layer 208.

FIG. 11 is a chart illustrating a heat sealing (crimping) curve for a pouch material 10g, in accordance with an example embodiment. In an example embodiment, heat sealing is accomplished to join ends of the pouch material to form and seal a pouch. As shown in FIG. 1 1 , in an example embodiment, a pouch material 10g provides a consistent and stable seal strength (in a range of about 3,000-4,250 grams per inch) for joined ends of the pouch material 10g, using a relatively wide range of heat sealing temperatures that are in a range of about 137-205 degrees Celsius. This temperature range includes an applied temperature for heating and pressing ends of the pouch material 10g together to form and seal a pouch, where the heat sealing is accomplished using an applied pressure of about 30 pounds per square inch (207 kPa).

In an example embodiment, heat sealing of the pouch materials of example embodiments is accomplished using an applied pressure of about 20-40 pounds per square inch (138- 276 kPa) with an applied temperature of about 137-205 degrees Celsius. In another embodiment, heat sealing of the pouch materials of example embodiments is accomplished using an applied pressure of about 30 psi (207 kPa) with an applied temperature of about 137- 205 degrees Celsius, or about 170 degrees Celsius.

In an example embodiment, a duration of time required to apply heat and pressure for heat sealing may be less than 1 minute. It should be understood that the applied temperature, pressure and duration of time for performing heat sealing can be dependent on a melting point temperature of the pouch material, and in particular the melting point temperature of the immediate surfaces that are being directly joined to each other during the heat sealing.

Oxygen Scavenger Performance according to some example embodiments

An oxygen scavenger of certain example embodiments reduces a concentration of oxygen within the sealed pouch, in order to mitigate oxidation of a consumable item with the pouch, mitigate unwanted chemical reactions to a flavor system of the consumable item, or both. As an example, using an oxygen scavenger strip in a sealed gas and moisture impermeable pouch with an inner cavity initially containing 2.5 millilitres of ambient air (where oxygen comprises about 21 percent of this initial volume), an oxygen scavenger of an example embodiment is able to reduce the oxygen concentration from about 21 percent down to less than about 0.1 percent within an initial period of approximately 17 days, where the oxygen concentration may continue to decline further following the initial 17 day period. In some example embodiments, an oxygen scavenger is capable of reducing oxygen levels to 2 percent or below.

In example embodiments, the rate of oxygen reduction has a bearing on the effectiveness of the oxygen scavenger in preserving a flavor system for a consumable item in a sealed pouch. In an example embodiment, the oxygen scavenger reduces ambient air down to oxygen levels of 2 percent or less within about 17 days. In an example embodiment, the oxygen scavenger reduces ambient air down to oxygen levels of 1 percent or less within at least 30 days.

In an example embodiment, an oxygen scavenger 30 is a strip including iron fragments in a polyethylene matrix, where the strip is about 0.3 millimetres x 35 millimetres x 8 millimetres in size, and the strip is placed in the inner cavity 40 of the sealed pouch 1 b. In this embodiment, the oxygen scavenger 30 strip constitutes about 3 percent of the overall volume of the inner cavity 40. In another embodiment, the same oxygen scavenger strip may constitute about 1 percent to 4 percent, or about 1.5 percent to 3.5 percent, or about 1.5 percent of the overall volume of the inner cavity 40. In some example embodiments, the oxygen scavenger 30 reduces the oxygen level of ambient air to a steady-state level of negligible oxygen (less than 0.1 percent oxygen). In an example embodiment, the oxygen scavenger 30 includes about 4 milligrams to 8 milligrams of iron fragments that is to be used in a sealed pouch 1b that initially contains 5.8 millilitres of ambient air at room temperature.

In some example embodiments, test data for an oxygen scavenger within a gas and moisture impermeable pouch, where a consumable item is an e-vaping cartridge, has shown a reduction in chemical indicators of degradation of the flavor system of the cartridge, with an improved performance of the cartridge. Examples of chemical indicators of flavor system degradation include the formation of one or more of the following chemical compositions within a flavor system: formaldehyde, acetaldehyde, nicotine oxide, cotinine, myosmine, and nornicotine. Test data for these chemical indicators for an example embodiment, taken at 24 degrees Celsius and 60 percent relative humidity, is included in Tables 1 to 6 below. The oxygen scavenger in these tests included a scavenger of iron fragments in a polyethylene matrix, where the oxygen scavenger was a strip with dimensions of about 0.3 millimetres x 35 millimetres x 8 millimetres, where the inner cavity (headspace) of the pouch included about 5.8 millilitres of ambient air. A control group involving a cartridge in a gas and moisture impermeable pouch, without the existence of an oxygen scavenger strip, was used in these tests.

Table 1

Table 2

Table 3 Table 4

Table 5

Table 6

A performance of the cartridge can be quantified in terms of a quantity of vapor mass production per puff, where a higher vapor mass production indicates a greater cartridge performance. Vapor, aerosol and dispersion are terms used interchangeably and are meant to cover the matter generated or output by an e-vapor device. Test data for cartridge performance at an ambient temperature of 24 degrees Celsius and 60 percent relative humidity is included in Table 7 below for an example embodiment. A control group involving a cartridge in a gas and moisture impermeable pouch, without the existence of an oxygen scavenger strip, was used in these tests.

Table 7

FIG. 12 is a chart illustrating a reduction in oxygen levels in a gas and moisture impermeable pouch with an oxygen scavenger, in accordance with an example embodiment. Specifically, this chart shows test data for an oxygen scavenger strip in a sealed gas and moisture impermeable pouch with an inner cavity initially containing 5.8 millilitres of ambient air (where oxygen comprises about 21 percent of this initial volume), the oxygen scavenger is able to reduce the oxygen concentration to about 1.0 percent within an initial period of approximately 30 days, where the oxygen concentration may continue to decline to near negligible levels (less than 0.1 percent by volume) as the test results approach 40 days of testing.

Adherence of Oxygen Scavenger to Pouch Material according to some example embodiments

In an example embodiment, adherence of an oxygen scavenger 30 to an inner surface 10c of a pouch material 10 is accomplished through a combined application of heat and pressure, where the adherence is a function of three parameters: an intensity of the applied heat, an intensity of the applied pressure, and the duration of time that the heat and pressure are applied to the oxygen scavenger, and where the applied heat exceeds a melting point of the oxygen scavenger 30 material. In an example embodiment, for an oxygen scavenger 30 with iron fragments in a polyethylene matrix, the applied heat brings the oxygen scavenger 30 to a temperature that of about 150 degrees Celsius, or a temperature is equal to or greater than 150 degrees Celsius.

Pre-Vapor Formulation including a Flavor System according to some example embodiments

In an example embodiment, the consumable item 20 is an e-vaping cartridge, where the cartridge includes a flavor system. In some examples, the flavor system includes a pre vapor formulation. The pre-vapor formulation may be a liquid, a solid or a gel formulation including, but not limited to, one or more of water, beads, solvents, active ingredients, ethanol, plants, plant extracts, natural or artificial flavors, and vapor formers such as glycerin and propylene glycol.

In an example embodiment, the pre-vapor formulation includes volatile tobacco flavor compounds which are released upon heating. The pre-vapor formulation may also include tobacco elements dispersed throughout the formulation. For example, the tobacco element may be 2-30 percent by weight within the pre-vapor formulation. Alternatively, the pre-vapor formulation may be flavored with other flavors besides a tobacco flavor, or in addition to a tobacco flavor.

In an example embodiment, a vapor former of the pre-vapor formulation may include a diol (such as one or both of propylene glycol and 1 ,3-propanediol), glycerin and combinations thereof. In an example embodiment, a vapor former is included in an amount ranging from about 20 percent by weight based on the weight of the pre-vapor formulation to about 90 percent by weight based on the weight of the pre-vapor formulation (for example, the vapor former is in the range of about 50 percent to about 80 percent, more preferably about 55 percent to 75 percent, or most preferably about 60 percent to 70 percent). Moreover, in an example embodiment, the pre-vapor formulation includes a diol and glycerin in a weight ratio that ranges from about 1 :4 to 4:1 , where the diol is propylene glycol, or 1 ,3-propanediol, or combinations thereof. This ratio is preferably about 3:2.

In an example embodiment, the pre-vapor formulation also includes water. Water may be included in an amount ranging from about 5 percent by weight based on the weight of the pre-vapor formulation to about 40 percent by weight based on the weight of the pre-vapor formulation, and more preferably in an amount ranging from about 10 percent by weight based on the weight of the pre-vapor formulation to about 15 percent by weight based on the weight of the pre-vapor formulation. In an example embodiment, the remaining portion of the pre vapor formulation that is not water (and nicotine or flavoring compounds), is the vapor former (described above), where the vapor former is between 30 percent by weight and 70 percent by weight propylene glycol, and the balance of the vapor former is glycerin.

The pre-vapor formulation optionally may include one or more flavorants in an amount ranging from about 0.2 percent to about 15 percent by weight (for instance, the flavorant may be in the range of about 1 percent to 12 percent, more preferably about 2 percent to 10 percent, and most preferably about 5 percent to 8 percent). The flavorant or flavorants may include a natural flavorant, or an artificial flavorant. For instance, a flavorant may include one or more of tobacco flavor, menthol, wintergreen, peppermint, herb flavors, fruit flavors, nut flavors, liquor flavors, roasted, minty, savory, cinnamon, clove,, and combinations thereof. In an example embodiment, a pre-vapor formulation includes nicotine. In an example embodiment, a portion of the pre-vapor formulation that is not one or both of nicotine and a flavorant, includes 10-15 percent by weight water, where the remaining portion of the non nicotine and non-flavorant portion of the formulation is a mixture of propylene glycol and a vapor former that is in a ratio that ranges between 60:40 and 40:60 by weight. These are just some examples of consumable items that may be stored within a pouch of embodiments disclosed herein, but any other type of consumable items may be stored with a pouch of embodiments disclosed herein, for example, any consumable item that may benefit from being stored in an environment with reduced oxygen.

Example embodiments having now been described, it will be obvious that the same may be varied in many ways. Such variations are not to be regarded as a departure from the intended spirit and scope of example embodiments, and all such modifications as would be obvious to one skilled in the art are intended to be included within the scope of the following claims.