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WO/2021/194042A1 |
A method for ultra-hydrophilic surface treatment of a polymer fiber substrate according to the present invention comprises the steps of: forming a thermosetting coating layer on the surface of a polymer substrate; forming a carboxylate g...
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WO/2021/191309A1 |
The invention relates to a filter for particles having sizes of less than 10 micrometers, with a structure based on electrospun fibers from one or more polymers, the fibers being characterized in that they have a diameter between 30 and ...
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WO/2021/194129A1 |
A mask is provided. The mask according to one embodiment of the present invention comprises: a first fabric forming an externally exposed surface; a second fabric disposed on one surface of the first fabric to be in close contact with a ...
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WO/2021/193957A1 |
Provided is a composite fiber having a core-sheath structure having a core portion and a sheath portion covering the core portion. In said composite fiber, the core portion includes a metal or conductive material, and the sheath portion ...
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WO/2021/194248A1 |
Disclosed are composite nonwoven fabric and an article comprising same. The disclosed nonwoven fabric comprises a charged meltblown nonwoven fabric layer and a spunbond nonwoven fabric layer on one or both sides thereof, and the fine dus...
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WO/2021/189762A1 |
Disclosed is a polytetrafluoroethylene composite filter material, comprising a support layer and a polytetrafluoroethylene thin film layer, wherein the support layer is a silver-plated carbon nanomaterial-modified melt-blown non-woven fa...
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WO/2021/189761A1 |
A polytetrafluoroethylene composite filter material, and a preparation method therefor and an application thereof. The polytetrafluoroethylene composite filter material comprises a support layer and a polytetrafluoroethylene microporous ...
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WO/2021/191205A1 |
The invention relates to a filtering material permeable to air and impermeable to oral, nasal and/or ocular human liquid aqueous excretions, comprising at least one bundle, referred to as a hydrophobic bundle, of at least two hydrophobic...
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WO/2021/193137A1 |
The present invention addresses a problem associated with conventional filter media that utilize activated carbon, i.e. the problem of improving the performance to deodorize polar gases such as ammonia and aldehydes. Specifically, the pr...
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WO/2021/194044A1 |
A system for continuous oil/water separation according to the present disclosure comprises: a storage tank having an inflow part and a discharge part, and capable of storing an oil/water mixture; a filter housing which comprises a storag...
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WO/2021/190912A1 |
The invention, in summary, relates to a fibre material for antibacterial and/or antiviral use, displaying improved antibacterial and/or antiviral action upon the penetration of moisture. The invention also relates to a filter, to mouth/n...
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WO/2021/189159A1 |
Disclosed is an air filter comprising copper-based magnetic alloys, which is useful for reducing microorganisms suspended inside hospital facilities and other enclosed spaces with a high microbial load density. The air filter comprises p...
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WO/2021/194039A1 |
The present invention relates to frontal respiratory protective equipment. The frontal respiratory protective equipment can comprise: a face part which covers the whole face of a wearer in order to protect the wearer from floating fine d...
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WO/2021/193998A1 |
The present invention provides a device for manufacturing a filter paper of a vehicle filter. The provided device for manufacturing a filter paper of a vehicle filter comprises: a fabric supply part to which a roll type filter paper fabr...
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WO/2021/191572A1 |
The present invention belongs to the field of protection, in particular protection of the respiratory tract and the filtering of pollutants and/or microorganisms. The subject matter of the present invention relates to a protective articl...
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WO/2021/186825A1 |
A filter having a first main surface and a second main surface opposite to the first main surface, said filter having a filter main body in which are provided a plurality of first through holes that penetrate the first main surface and t...
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WO/2021/187628A1 |
A filter structure that is adhered to an object and is for filtering a gas that passes therethrough, said filter structure comprising a filter layer that is composed of a gas-permeable sheet-shaped member, and an adhesive layer that is f...
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WO/2021/186189A1 |
The present invention relates to a filter comprising a self-supporting body of non-woven carbon nanotubes useful in the sequestration of an airborne virus.
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WO/2021/188082A1 |
The present invention relates to a combined decolorization system (10) in which a reactor system (20) and a filtration system (30) function sequentially or individually optionally to provide decolorization in a waste basic (cationic) dye...
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WO/2021/187685A1 |
The present invention relates to a nanofiber for an air filter, comprising a styrene-(meth)acrylate-acrylonitrile random copolymer having a zwitterionic functional group in a side chain, and a method for manufacturing same. The nanofiber...
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WO/2021/187917A1 |
The present application relates to a mask containing a nano dried metal chloride salt and a dry manufacturing process therefor and, more specifically, to a mask containing a nano dried metal chloride salt and a dry manufacturing process ...
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WO/2021/186347A1 |
The present invention relates to personal protective equipment, specifically to a filtering device for the protection of the respiratory tract, which can be worn on the face of a user. In particular, the present invention relates to a we...
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WO/2021/179369A1 |
The present invention relates to the technical field of filtering, and to a filter element, comprising a microporous membrane layer, and a first melt-blown nonwoven fabric layer and a second melt-blown nonwoven fabric layer located on bo...
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WO/2021/181345A1 |
An air filtration system (100) comprising one or more first layers(102), one or more second layers (104), and one or more third layers (106), wherein the one or more second layers (104) are positioned between the one or first layers(102)...
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WO/2021/177690A1 |
The present invention relates to an air filter comprising a polycarbonate nanofiber, and a manufacturing method therefor, the air filter comprising a polyethylene terephthalate substrate, a polycarbonate nanofiber nonwoven fabric, and a ...
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WO/2021/174343A1 |
A filter medium for removal of contaminants from wastewater. The filter medium includes a walnut shell particle having a metal hydro(oxide) nanoparticle bonded to the surface of the nut shell particle. The filter medium is particularly u...
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WO/2021/178338A1 |
The present invention provides for a process for synthesis of carbon beads comprising sub-micron size, micron size or milli size. The process enables modulation of the viscous slurry for synthesis of the carbon beads with improved physic...
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WO/2021/175447A1 |
An air filter module (100, 200, 300) includes a first sub-module (110, 210, 310) comprising an activated carbon filter (111, 211, 311) for filtering air, an inlet (115) in fluidic connection with the activated carbon filter (111, 211, 31...
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WO/2021/177272A1 |
The present invention addresses the problem of providing a blood treatment filter having an excellent filtration rate. The problem can be solved by the blood treatment filter comprising: a container having an inlet part and an outlet par...
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WO/2021/178300A1 |
The present disclosure provides a filter for removing contaminants from a liquid or gaseous medium including a woven or nonwoven sheet of entangled carbon nanotubes. The present disclosure also provides a method for reducing the concentr...
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WO/2021/172794A1 |
The present invention relates to a film for simultaneously blocking air pollutants and a manufacturing method therefor. The blocking film according to the present invention can simultaneously filter out air pollutants by using one filter...
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WO/2021/173097A1 |
The present invention relates to a particulate cleaning system (1), which is used to retain particulate matter in exhaust gases discharged as waste in vehicles, essentially comprising at least one outer body (2) which is placed on the pa...
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WO/2021/172820A1 |
A filter housing apparatus for a water purifying apparatus may comprise: a body unit including a space for accommodating a filter for the water purifying apparatus, a vacuum layer surrounding the space, and a water inlet for introducing ...
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WO/2021/171840A1 |
This method for producing a filter comprises: a relation deriving step wherein a relation between the concentration of the organic solvent contained in a catalyst slurry/the organic solvent in an aqueous medium and the amount of catalyst...
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WO/2021/172753A1 |
The present invention relates to a nanofilter manufactured using electrospinning and a method for manufacturing the same, and more specifically, to a nanofilter and a method for manufacturing the same wherein, by adjusting the diameter o...
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WO/2021/166297A1 |
A honeycomb structure 100 that comprises: a plurality of columnar honeycomb segments 10 that have partitions 13 that form a plurality of cells 12 that constitute fluid channels that extend from a first end surface 11a to a second end sur...
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WO/2021/166190A1 |
A dielectric drying method for ceramic compact 10, wherein a plurality of ceramic compacts 10 placed side by side on the upper surface of a receiving base 20 for drying in a direction perpendicular to the conveying direction L are convey...
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WO/2021/164241A1 |
An organosilicon porous breathable disinfection and sterilization nano-filtration material for masks that is synthesized from a component A and a component B. The component A comprises the following components: methyl vinyl polysiloxane,...
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WO/2021/162076A1 |
The present invention provides a per- and poly-fluoroalkyl compound sampler for personal exposure measurement, said sampler being capable of efficiently trapping, in a releasable manner, per- and poly-fluoroalkyl compounds that are prese...
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WO/2021/160194A1 |
This is a method of manufacturing a filter membrane, which in its multilayer structure comprises at least one support layer of polymeric textile with a basis weight of 15 to 200 g/m2 and associated, at least, one layer of electro spun no...
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WO/2021/161557A1 |
Polyphenylene sulfide staple fiber characterized by being formed from fibers having at least two different single-fiber finenesses, and moreover characterized in that the mixed fiber uniformity is less than 3.0.　Provided is PPS stable ...
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WO/2021/160804A1 |
Process for the removal of particulate matter from an aqueous stream containing a concentrated acid, preferably concentrated sulfuric acid, said process comprising mechanical filtration by passing said aqueous stream through a filter uni...
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WO/2021/157746A1 |
This columnar honeycomb structure includes an outer peripheral wall, and porous separating walls which are arranged inside the outer peripheral wall, and which demarcate and form a plurality of cells that penetrate through from one end s...
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WO/2021/158697A1 |
A system and method for laminating filter media can include applying an adhesive to a layer of the filter media and curing the adhesive. A multilayer filter assembly can include a first and a second layer laminated together using an inor...
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WO/2021/158726A1 |
Metal nanoparticle agglomerates may convey biocidal activity to surfaces upon which they are deposited and become adhered, such as various air filtration media. Air filtration media may comprise a plurality of fibers having a plurality o...
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WO/2021/157547A1 |
The present invention provides a mesh filter having superior handling performance for liquid-solution lyophilizates. This mesh filter 130 has a mesh 131, and liquid-solution lyophilizates 132 affixed to the mesh.
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WO/2021/157479A1 |
This porous composite (1) comprises a porous substrate (2) and a porous trapping layer (3) that is provided to a trapping surface (for example, the inside surface of a first cell (231)) of the substrate (2). The trapping layer (3) includ...
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WO/2021/152422A1 |
Charged polymeric webs, such as electret webs, include a thermoplastic resin and a charge-enhancing additive. The additives are substituted heterocyclic thiolate salts. The heterocyclic thiolate salt has 2 nitrogen groups and a third gro...
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WO/2021/152426A1 |
Charged polymeric webs, such as electret webs, include a thermoplastic resin and a charge-enhancing additive. The additives are substituted heterocyclic thiols. The heterocyclic thiol has 2 nitrogen groups and a third group that may be a...
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WO/2021/153296A1 |
A goal of the present invention is to provide: a layered electret nonwoven fabric that has low pressure loss and high trapping efficiency, as well as superior moldability into filter form; and an air filter unit and an air purifier that ...
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