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WO/2022/004901A1 |
The present invention relates to a wet electrostatic nonwoven fabric consisting of electrostatic powder and electrostatic fibers and, more specifically, to a wet electrostatic nonwoven fabric consisting of electrostatic powder having an ...
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WO/2022/003965A1 |
The present disclosure addresses the problem of providing: a filter medium for air filters, said filter medium achieving a high PF value and high water repellency, while having practically sufficient stiffness and strength; and a method ...
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WO/2022/005154A1 |
A composite filter comprises: a filter unit, which filters air and includes a filter member provided with multiple filter parts having side surfaces connected to each other such that the filter parts are rotatable relative to each other;...
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WO/2022/003433A1 |
Embodiments include a filter material including an electrospun nanofiber membrane and an active nanomaterial agent incorporated into the electrospun nanofiber membrane, wherein the electrospun nanofiber membrane filters disease-causing a...
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WO/2022/004900A1 |
The present invention relates to wet electrostatic non-woven fabric, more specifically to wet electrostatic non-woven fabric in which dielectric powder is mixed in with polyethylene or polypropylene powder and made into powder, and same ...
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WO/2022/004480A1 |
The purpose of the present invention is to provide an electret fiber sheet that has high collection performance and that is suitably used in an air filter, etc. The present invention is an electret fiber sheet configured from polyolefin-...
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WO/2021/262977A1 |
A blended polymer comprising, an amorphous thermoplastic polymer and a thermoplastic semi-crystalline polymer, each of the polymers being essentially miscible in the other and being blended at a weight ratio of amorphous polymer/semi-cry...
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WO/2021/259420A1 |
The invention relates to a method for producing a fibrous web containing polylactide fibres and, as necessary, other fibres, in which (a) a fibrous ply containing polylactide fibres and, as necessary, other fibres are laid on a substrate...
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WO/2021/258134A1 |
The present invention relates to a smoking tip, a filter sheet for forming a smoking tip, and a booklet for forming smoking tips. In one aspect of the present invention, a filter sheet comprises: a sheet having a fabric layer thereon; wh...
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WO/2021/262296A1 |
An inflator (10) for generating inflation gases for a safety device includes a filter (62) having a main body portion (66) constructed of metal and an opening passing through the main body portion (66) in an axial direction. The opening ...
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WO/2021/261860A1 |
The present invention relates to an air purifier. Specifically, an embodiment of the present invention may provide an air filter comprising: a filter member that includes a plurality of vertical wrinkles extending vertically and a plural...
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WO/2021/262974A1 |
A polymeric composition comprised of poly(methylmethacrylate) (PMMA) and polylactic acid (PLA) having a surface charge potential of at least about 50 volts in the absence of any other charge enhancing component may be made by melt blendi...
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WO/2021/257582A1 |
In one aspect, a material structure is disclosed, which includes a macroscopic porous substrate configured to receive a flow of a medium for passage of at least a portion thereof through the porous substrate. At least one porous coating ...
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WO/2021/255401A1 |
The invention relates to a filtering face-piece respirator made of polyvinylidene fluoride and to a method for producing said respirator. The invention also relates to a method for reconditioning said respirator. The invention is also di...
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WO/2021/255390A1 |
The invention relates to a nonwoven web obtained by electrospinning, suitable for filtering nanoscale and/or submicrometer scale aerosols, comprising a multiplicity of fibers having composition C1, the composition C1 containing at least ...
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WO/2021/255402A1 |
The invention relates to a method for recycling filtering facepiece respirators comprising a plurality of layers made from a single thermoplastic polymer selected from among polypropylene, polyethylene terephthalate, polylactic acid, pol...
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WO/2021/253866A1 |
Embodiments relate to systems and methods for forming an air filtration system. The system includes an air filter. The air filter includes a plurality of filtration surfaces, including a first outer filtration surface, a second outer fil...
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WO/2021/256946A1 |
A composite filtration material is provided as well as a method for preparing the same. A filter is also provided that is fabricated with the presently disclosed composite filtration material. In various aspects, the provided composite f...
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WO/2021/255187A1 |
The invention relates to a sintered ceramic part in the form of a pellet (6; 6.1, 6.2) intended to be implanted in a filtering facepiece respirator (1), the part having a total porosity of more than 40%. The invention also relates to a f...
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WO/2021/255601A1 |
The present invention relates to a process for the preparation of a filter material to block harmful particles, in particular viral, bacterial and/or toxic particles, suitable for being incorporated into a sanitary article, as well as a ...
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WO/2021/255185A1 |
Disclosed is an apparatus for treating air, at room temperature, of an enclosed inhabitable space, the apparatus comprising: - a sintered ceramic part (2) having a total porosity higher than 40%, the pores of a size larger than 300 µm r...
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WO/2021/251678A1 |
Disclosed are a non-woven fabric for an air filter and a method for manufacturing same, and an article. The disclosed non-woven fabric for an air filter comprises a core portion containing a high-melting point polyester and a sheath port...
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WO/2021/250388A1 |
The present invention relates to a filter media for filtering condensate which includes oily contaminant. The present invention also relates to a filter comprising the filter media. The present invention also relates to a filtration mach...
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WO/2021/248213A1 |
, The present invention relates to an aromatherapy face mask for use ih aromatherapy and for individual protection of the upper respiratory system, providing an aromatherapy effect as well as a protective effect from the harmful componen...
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WO/2021/249861A1 |
The invention relates to antibacterial clothing made from textile and/or non-textile raw materials which are formed, by means of different methods, into linear, planar and/or spatial structures (body structures). The antibacterial clothi...
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WO/2021/244477A1 |
The present invention involves a filter material, the filter material comprises an internal filter core material and a cover layer covering an outer layer of the filter core material, wherein the cover layer is selected from one or more ...
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WO/2021/245121A1 |
An oil purification filter and a method for producing an oil purification filter. The oil purification filter comprises a filter body (3; 3'; 3'') which is, at least in a first part (5a; 5a') of a volume of the filter body (3; 3'; 3''), ...
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WO/2021/248121A1 |
A fluid purification system can include a filter comprising photocatalytic material, a light source configured to illuminate the photocatalytic material, and a scattering film configured to scatter light emitted from the light source.
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WO/2021/246977A1 |
The present invention also proposes a photothermal composition configured to be used in air filter for destroying bioaerosol particles by converting light energy emitted from a light source into heat energy comprising a photothermal agen...
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WO/2021/246373A1 |
A dispersion is provided in which a water-insoluble powder, e.g., hydroxyapatite, is stably dispersed. The dispersion of a water-insoluble powder is characterized by containing a cellulose derivative.
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WO/2021/244467A1 |
Disclosed are an air purification assembly having a coronavirus killing function and an application thereof. The air purification assembly comprises a first support layer, a second support layer, and a functional material layer disposed ...
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WO/2021/245080A1 |
The present invention relates to a hollow filter candle (1) which has, via impregnation of the inside with a catalyst solution, a concentration gradient of catalyst metals from the inside to the outside across the wall thickness thereof....
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WO/2021/237679A1 |
A bacterial cellulose-based air filter screen and a use. The bacterial cellulose-based air filter screen is of a three-layer structure, i.e., a layer of bacterial cellulose-based filter screen is sandwiched between two layers of polymer ...
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WO/2021/239663A1 |
Method of treating a textile article by impregnation with a water dispersion of graphene nano- platelets in an impregnation bath comprising also a polymeric binder and an anti-migration and wetting agent. Graphene is fixed in the textile...
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WO/2021/237326A1 |
The present invention relates to an antiviral and/or antibacterial fabric filter, and also to the use thereof as a filter element and retainer and as an antiviral and/or antibacterial agent. The present invention also relates to a method...
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WO/2021/240450A2 |
The invention relates to the filter insert, specifically, the filter insert (1) for filtration of liquids and/or gases, comprising at least one filter layer (3) containing at least one electro-conductive layer (2) to resist heating of th...
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WO/2021/239451A1 |
The invention provides a respirator mask (1) comprising a filter material piece (2) made of an air-permeable material and at least one securing band (3), wherein the air-permeable material comprises at least one layer of a non-woven fabr...
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WO/2021/239452A1 |
The invention provides a respirator mask comprising a filter material piece made from an air-permeable material and at least one securing band, wherein the air-permeable material comprises at least one layer of a non-woven biodegradable ...
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WO/2021/241367A1 |
The problem to be solved by the present invention is providing a friction-charging nonwoven fabric in which two or more types of fibers having differing constituent resins are mixed, the nonwoven fabric being thin and having superior str...
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WO/2021/239313A1 |
The invention provides a respirator mask comprising a filter material piece made of an air-permeable material and at least one securing band, wherein the air-permeable material comprises at least one layer of a non-woven fabric and the a...
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WO/2021/242802A1 |
Filter media, including those suitable for hydraulic, fuel, HVAC, HEPA, and/or other applications, and related methods are provided. In some embodiments, a filter media described herein may include a layer (e.g., a fine fiber layer) comp...
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WO/2021/242020A1 |
The present invention relates to a method for manufacturing a filter having antibacterial and antiviral efficacy through ion coating. The present invention may comprise the steps of adding an ion stabilizer to copper ions (Cu2+) to prepa...
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WO/2021/239659A1 |
Textile article comprising a textile substrate to which graphene is applied in an amount from 0.5 to 20 g of graphene per square meter of textile substrate, wherein said graphene is dispersed in a polymeric binder and forms a thermal cir...
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WO/2021/239328A1 |
The invention provides a respirator mask (1) comprising a filter material piece (2) made of an air-permeable material and at least one securing band (3), wherein the air-permeable material comprises at least one layer of a non-woven fabr...
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WO/2021/235828A1 |
Disclosed are a system for managing an air purifier equipped with a composite filter, and an operation method thereof. A system for managing an air purifier equipped with a composite filter, according to one embodiment of the present dis...
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WO/2021/234659A1 |
The disclosure relates to a nonwoven fabric including at least one layer of an electrostatically-charged elastomeric meltblown nonwoven material, the meltblown nonwoven material including at least 90% by weight of at least one elastomer,...
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WO/2021/235686A1 |
A water purifier filter and a water purifier comprising same, according to the present invention, comprise: a filter housing including an inlet and an outlet; and a filter module which is provided inside the filter housing to purify the ...
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WO/2021/234946A1 |
The purpose of the present disclosure is to provide methods for safely producing an air filter medium and an air filter that achieve improved filtering performance, in particular, particle capturing performance. An air filter medium prod...
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WO/2021/235687A1 |
The present invention relates to a water purifier filter and a water purifier comprising same, wherein the water purifier filter comprises: a filter housing provided with an inlet and an outlet; and a filter module provided inside the fi...
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WO/2021/235116A1 |
A filter according to the present invention comprises: a filter base portion which has a first main surface and a second main surface on the reverse side from the first main surface, in which a plurality of through holes communicating th...
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