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WO/2021/132410A1 |
This spunbond nonwoven fabric is constituted by thermoplastic continuous filaments composed of high-melting-point components and low-melting-point components, wherein: the coefficient of variability (CV) in the vapor transmission rate of...
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WO/2021/125731A1 |
An automatic dialysis apparatus according to the present invention comprises: a water purification unit which receives raw water from a water source supply source and purifies same; a component mixing unit which produces a dialysate by s...
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WO/2021/125257A1 |
This air filter includes a nonwoven fabric having formed between fibers therein numerous pores that penetrate the fabric between one surface through which air containing oil mist and dust flows in and the other surface which is located o...
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WO/2021/127177A1 |
Filter media comprising a non-wetlaid backer are generally provided. In some embodiments, a filter media comprises a non-wetlaid fiber web and further comprises one or more further fiber webs. The further fiber web(s) may include an effi...
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WO/2021/122779A1 |
The invention relates to a water-vapor-permeable and hot-water-resistant paper consisting substantially of cellulose and of manufacturing aids required for the production of cellulose, such as pH modifiers based on acids and/or bases. Th...
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WO/2021/124037A1 |
Filter media are described. In particular, a filter media includes an intake side, an exhaust side, and a plurality of fibers distributed throughout the filter media. The fibers have a plurality of deniers, and fibers disposed proximate ...
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WO/2021/120484A1 |
Disclosed are a complex fiber filter material and a preparation method therefor. The method comprises: subjecting a composite fiber mat to heat setting, a surface treatment and heating and curing, and then hot-pressing and laminating sam...
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WO/2021/112197A1 |
In a polytetrafluoroethylene oriented porous film provided by the present invention, the through-thickness air permeability, expressed as Frazier air permeability, is 4 cm3/(sec·cm2) or greater, and the total cohesive strength, as expre...
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WO/2021/109061A1 |
A high-efficiency and low-resistance surface filter material, and a preparation method therefor. The surface filter material provided by the present invention comprises a substrate and a superfine fiber coating. According to the high-eff...
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WO/2021/111290A1 |
Charged polymeric webs, such as electret webs, include a thermoplastic resin and a charge-enhancing additive. The additives are substituted benzothiazole compounds or substituted benzoxazole compounds. The substituent groups may be hydro...
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WO/2021/111246A1 |
Charged polymeric webs, such as electret webs, include a thermoplastic resin and a charge-enhancing additive. The additives are a mercapto-benzothiazole salts or mercapto-benzoxazole salts. The electret webs may be a non-woven fibrous we...
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WO/2021/112198A1 |
The provided polytetrafluoroethylene stretched porous membrane has a node/fibril structure comprising a plurality of nodes and fibrils connecting the plurality of nodes. The ratio of the average length of the nodes in the thickness direc...
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WO/2021/107701A1 |
In a heat resistant bag filter, of the present invention, comprising: a fabric support layer; a PTFE foam coating layer layered on the fabric support layer; and PTFE electrostatic particles dispersed on and fixed to the PTFE foam coating...
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WO/2021/101215A1 |
The present invention relates to an air purifying filter. The present invention comprises: a filtering layer (30) including a dielectric for collecting micro particles; a first electrode layer (50) which is layered on one side of the fil...
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WO/2021/100957A1 |
The present invention relates to sheet paper which has an air purification function and contains a purification composition capable of purifying air, wherein the purification composition contains zinc chloride, manganese chloride, and co...
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WO/2021/100322A1 |
[Problem] Various sulfur compound removers have been studied for some time as measures against problems such as metal corrosion due to sulfur compounds such as hydrogen sulfide and methyl mercaptan. The conventional sulfur compound remov...
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WO/2021/101218A1 |
The present invention relates to an air purification filter (1) and an air purifier (200) including same. The present invention comprises: a filtration layer (30) made of a dielectric that collects fine particles; a pair of electrode lay...
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WO/2021/100286A1 |
The purpose of the present invention is to prevent breakage of filter elements. A filter (10), provided with: filter elements (40) in which a filter surface (43) extends between a first end (41) and a second end (42); a partition wall (3...
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WO/2021/094483A1 |
The invention relates to a filtration unit (1) intended to allow the leucocytapheresis of the blood or of a blood product, comprising an external pouch (2) provided with at least one inlet orifice (3) and with at least one outlet orifice...
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WO/2021/093286A1 |
An integrated filter material, a preparation method and an application. The filter material is composed of a commercial dust removal filter material and a catalyst that is grown on the filter material and that has a function of simultane...
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WO/2021/094922A1 |
A filtration device for heated process air used in an apparatus for the dehumidification of plastics in granules is disclosed, with a filter medium of tubular shape that is crossed by the air radially from the outside towards the inside ...
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WO/2021/096426A1 |
There is provided a multi-layered membrane for separating components in an aqueous sample, comprising a porous layer for separating or retaining at least one component from said aqueous sample therein, and an absorbent layer comprising a...
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WO/2021/086086A1 |
The present invention relates to an improved method for manufacturing allulose and, more particularly, to a method for manufacturing a fructose-containing raw material solution by using raw sugar as a raw material base used in the manufa...
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WO/2021/081942A1 |
An environment-friendly dust removal apparatus, comprising a dust removal box (1), a base (4), and a plurality of support rods (6). The dust removal box (1) is provided with an air inlet pipe (2) and an air outlet pipe (3); a dust remova...
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WO/2021/085099A1 |
The present invention provides a layered body achieving an excellent rate of absorption of fuel or the like into a filter medium. Provided is a layered body having a first substrate and a second substrate. The layered body is characteriz...
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WO/2021/085601A1 |
The present invention is a filter for liquid filtration, said filter being provided with a perforated core material and a woven fabric that is wound around the outer periphery of the perforated core material. This filter for liquid filtr...
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WO/2021/082090A1 |
Provided is a method for increasing the adhesiveness between a micro/nanofiber and a substrate. The method comprises: a micro/nanofiber having beads is sprayed on a substrate by means of an electrostatic spinning method, the beads are us...
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WO/2021/084042A1 |
A refractory filter suitable for filtering molten metal, such as steel, and a method and powdered composition for producing said filter. The filter comprises refractory material, said refractory material comprising: 60-90 wt% alumina; 8-...
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WO/2021/086979A2 |
Some embodiments of the present disclosure relate to a method of regenerating at least one filter medium comprising: providing at least one filter medium, wherein the at least one filter medium comprises: at least one catalyst material; ...
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WO/2021/081237A1 |
Mechanical chopping has been successfully used to expand both fetal and iPSC-derived neural progenitor cells to scales suitable for early phase clinical trials. However, this method is time-consuming, labor-intensive, and challenging to ...
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WO/2021/077196A1 |
Filter media and filters for the sequestration of carbon dioxide are disclosed. The carbon dioxide sequestering filter media incorporate silicate minerals, and the carbon dioxide sequestering filters incorporate carbon dioxide sequesteri...
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WO/2021/079283A2 |
A method for preparing a composite filter medium (1), comprising a step of forming a first filter medium (8) through deposition of nanofibers (4) on a base fabric (2) through an electrospinning process and a step of covering said filter ...
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WO/2021/077799A1 |
Disclosed are a porous air filter membrane, a preparation method therefor and an application thereof. The porous air filter membrane comprises a porous substrate material and a polymer layer covering fibers of the porous substrate materi...
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WO/2021/078594A1 |
The present invention relates to an oil removing filter (6) for separating oil from water, said oil removing filter (6) having a hollow-cylindrical filter body (16) which can be traversed radially by water. Particularly efficient oil sep...
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WO/2021/079282A1 |
A method for preparing a composite filter medium (1), which involves a step of forming a first filter medium (8) by depositing nanofibers (4) on a base fabric (2) by means of an electrospinning process, a subsequent step of forming said ...
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WO/2021/080698A1 |
An array of discrete nanofiber films that are physically separated from one another are described. Techniques for forming the nanofiber film array are also described. Techniques for forming these structures include placing a suspension o...
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WO/2021/074746A1 |
Charged polymeric webs, such as electret webs, include a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additive is a substituted-benzimidazole compound. The electret webs may be a non-woven fibrous web or a fi...
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WO/2021/074863A1 |
Charged polymeric webs, such as electret webs, include a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additive is a dual-function charge-enhancing additive that enhances the charge of the electret and also ha...
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WO/2021/075211A1 |
This ceramic honeycomb structure has a large number of flow paths that are partitioned by porous partition walls and are formed in an axial direction, wherein: the partition walls have (a) a porosity of 52-63% and (b) in a fine pore dist...
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WO/2021/074139A1 |
The invention relates to a filter element (2) having a throughflow-porous filter body (4) that extends between a head end and a longitudinally opposite foot end; wherein at the head end of the filter element (2) there is formed a head st...
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WO/2021/072446A1 |
A specially functionalized composite filter material with a high specific surface area is used to adsorb PFAs from potable water. In a preferred embodiment, the base filter material is granular activated carbon (GAC), which is sequential...
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WO/2021/069600A2 |
The invention relates to a method for producing a coated filter element (2), comprising the following steps: providing a filter body (4); and thermal spraying of a plastic material (30) onto the filter body (4) by means of an application...
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WO/2021/072122A1 |
This disclosure describes a filter medium that minimizes the adverse effects of variations in flow rate on filter medium efficiency without a corresponding increase in pressure drop. The filter medium includes a support layer, a continuo...
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WO/2021/070777A1 |
Provided is a glass fiber sheet for a filter, which has a satisfactory wavy shape, excels in corrugation processing suitability, and can sufficiently support a functional material such as an adsorbent. The glass fiber sheet for a filter ...
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WO/2021/070928A1 |
The present invention addresses the problem of providing a blood treatment filter having excellent effectiveness (leukocyte removal performance) and safety (reduction in amount of an eluted material). The problem can be solved by a blood...
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WO/2021/070257A1 |
This dust collection filter cloth comprises: a base material layer that is made of a plain-weave or twill-weave stainless steel wire-containing inorganic fiber cloth; a downstream-side slip-flow layer that is disposed on the top surface ...
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WO/2021/069532A1 |
A drain protector (1) is provided which has a conformable bottom frame (3) having a central opening that is closed by a filter element (4) spanning the opening. The filter element is capable of removing silt from water on a building site...
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WO/2021/072117A1 |
This disclosure describes a high performing (including, for example, high efficiency and low pressure drop) filter media. The filter media includes a support layer and a layer of fine fibers wherein at least some of the fine fibers in th...
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WO/2021/064171A1 |
The debris filter has an inlet face (18A) and an outlet face (18B) opposed to the inlet face (18A) and comprises a plurality of filtering structures (50) protruding on the inlet face (18A) of the debris filter (18), each filtering struct...
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WO/2021/064276A1 |
The present invention relates to a blood components collection and separation media (1) comprising a substrate (3) having a maximal flow pore size enabling the retention of at least red cells on the surface of the substrate (3), the bloo...
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