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WO/2023/284158A1 |
The present invention relates to a method for adjusting a grouting parameter of a slurry for preparing a ceramic composite fiber catalytic filter tube, and a method and apparatus for preparing a ceramic composite fiber catalytic filter t...
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WO/2023/285211A1 |
The invention relates to a filter medium, comprising I) a first nonwoven melt-blown layer, the melt-blown nonwoven comprising a) at least one styrene-containing thermoplastic elastomer and b) at least one polyolefin. The invention also r...
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WO/2023/286974A1 |
A multifunctional air purification filter comprises an air permeable support layer, a mesh layer provided on the air permeable support layer, and a filter layer provided on the mesh layer, at least one part of the multifunctional air pur...
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WO/2023/281788A1 |
The purpose of the present invention is to provide an anti-viral material that has a high inactivation effect against novel coronavirus (SARS-CoV-2) and can be used in various products for the counter measure against novel coronavirus....
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WO/2023/282153A1 |
The present invention suppresses deterioration of trapping efficiency in an air filter comprising multiple layers due to an adhesive used to integrate filter layers with each other. This air filter (1) comprises: a first filter layer (...
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WO/2023/282088A1 |
Provided is a fiber structure with a high dust holding capacity. This fiber structure comprises a thick fiber group comprising fibers A having a fiber diameter per single fiber exceeding 5 μｍ, and a thin fiber group comprising fibers ...
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WO/2023/282002A1 |
A filter according to the present invention includes a first principal surface and a second principal surface opposite to the first principal surface, and further includes a filter substrate portion including a plurality of through-holes...
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WO/2023/275310A1 |
Plant-based filter material intended for the treatment of wastewater and rainwater, comprising cellulose and lignin, said plant-based filter material being characterized in that it comprises at least pieces of wood or plant fibers that f...
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WO/2023/276484A1 |
The purpose of the present invention is to provide an electret fiber sheet which has high collection performance and high thermal stability and is suitably used for an air filter or the like. The present invention is an electret fiber sh...
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WO/2023/272946A1 |
Disclosed in the present invention is a SiC smoke particle collector. First, silicon carbide powder, silica powder, a pore-forming agent, a binder and a polyacrylate-based emulsion are used as primary raw materials, and then acidificatio...
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WO/2023/278545A1 |
Activated carbon (AC) produced from agglomerated purified carbonaceous product (PCP) are provided. The PCP is in particulate form, at least about 90% by volume (%v) of the particles are no greater than about 25 J.lm in diameter; the PCP ...
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WO/2023/275547A1 |
A biodegradable filter is provided with at least two outer layers formed from cellulosic-based fibres, bast fibres, protein -based fibres, and/or polyvinyl alcohol fibres. A non-woven nanofibre filtration membrane is located between the ...
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WO/2023/275778A1 |
The invention is a filter assembly (1) for washing machine (900), wherein the filter assembly (1) is suitable for filtering the water output from a washing machine drum (910) towards the discharge system. The filter assembly (1) extends ...
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WO/2023/272452A1 |
A process for preparing an oleophobic fluoropolymer emulsion. The resulting fluoropolymer emulsion has excellent hydrophobic and oleophobic modification ability (as coatings) on polyester fibers such as polyester (PET), polypropylene (PP...
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WO/2022/270388A1 |
The purpose of the present invention is to provide a method for regenerating an edible fat composition, the method reducing the coloration and acid value of the edible fat composition while maintaining the function thereof. The method, w...
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WO/2022/271000A1 |
The present specification relates to an air-cleaning filter and a manufacturing method therefor, the air-cleaning filter comprising: a filter part having a shape of being creased at fixed intervals, and including filter-fixing cover part...
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WO/2022/269184A1 |
A process for producing a MOF-based product comprises mixing raw materials to form a starting batch, said starting batch comprising a MOF powder and a polysaccharide gellable by a gelling agent, the mass ratio of the amount of said polys...
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WO/2022/269947A1 |
According to the technology disclosed herein, provided is a particulate filter that is capable of achieving superior PM collection performance by appropriately preventing PM from passing therethrough to an exit-side cell. A particulate f...
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WO/2022/229828A9 |
The present invention relates to a composite filtering material (10) comprising at least one intermediate layer made of nanomaterials (11) coupled with two layers of breathable material (12,13), and in interposition therebetween (12,13),...
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WO/2022/267335A1 |
A filter material, a preparation method therefor, and an application thereof. The preparation method comprises: (1) soaking a filter material substrate in a metal salt solution at 55-70°C; (2) spraying a urea solution and/or an ammonia ...
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WO/2022/266377A1 |
Systems for recovering CO2 from a combustion gas stream are provided. Compositions are also provided; the compositions can include: a nanoporous framework composition; a ligand associated with the nanoporous framework composition; and CO...
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WO/2022/257716A1 |
Provided herein are protective masks made with polymer-based materials and methods of forming the materials. Methods of forming the interlaced polymer-based materials comprise applying adhesive to a substrate, electrospinning a first pol...
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WO/2022/258261A1 |
The invention relates to a folded filter medium (6) for a filter element (3) comprising a cellulose substrate (29) impregnated with phenolic resin (30) and an ePTFE layer (31) disposed on the cellulose substrate (29).
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WO/2022/258221A1 |
The present invention relates to a multi-layer face mask (1) and to a use of a natural fiber material for a multi-layer face mask (1). The multi-layer face mask (1) comprises a filter body (2) that has an outer cover layer (2a), an inner...
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WO/2022/258094A1 |
A filter module (1) is used for separating in particular tacky or dry paint- and/or glue overspray, grinding dusts etc., and has a filter structure in a filter housing (2) in the form of an insert (8) formed by a plurality of elements (1...
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WO/2022/260260A1 |
An antivirus filter and/or a purifying apparatus comprising same, according to various embodiments disclosed in the present document, comprise: a permeable support layer formed in a predetermined shape; and a filter layer formed on at le...
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WO/2022/253990A1 |
Concrete washout materials and system are disclosed. The materials are a composite material in the form of a liner for a concrete washout containment sack or container or the materials are formed as part of a containment sack for concret...
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WO/2022/255453A1 |
Provided are an air filter medium, a pleat pack, an air filter unit, a mask filtering medium, and a method of recycling air filter medium that allow for reuse with minimal performance loss from performing a sterilization treatment. An ai...
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WO/2022/255722A1 |
The present invention relates to a fine-dust-removing flow filter comprising a fibrous support, and a manufacturing method therefor, and, more specifically, to a flow filter for purifying the air that comes out of an exhaust port of a va...
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WO/2022/255601A1 |
The present invention relates to a microparticle capturing filter having a three-dimensional lattice structure that selectively captures fine particles and has improved filter performance, characterized by comprising a filter for capturi...
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WO/2022/255885A1 |
Described herein are air/gas filter media containing terpene-loaded nanofibres for enhanced bactericidal, fungicidal and viricidal activity, preparation methods and applications thereof. More specifically, air/gas filter media for deacti...
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WO/2022/250057A1 |
This melt-blow non-woven fabric comprises multiple thermoplastic resin fibers with different fiber diameters, wherein the standard deviation of the fiber diameters is 1.2 or more, and the ratio of the formation index to the average fiber...
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WO/2022/251488A1 |
A filter material has a layer of porous material and a plurality of structures disposed on a surface of the layer, where each of the structures has a re-entrant geometry. The plurality of structures may be a plurality of ordered structur...
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WO/2022/248604A1 |
The present invention concerns a method for plasma coating an air-permeable filter media having a base weight of at least 50 g/m2, comprising the steps of: a) ionizing a plasma gas at a temperature of 150°C or lower, and at about atmosp...
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WO/2022/244253A1 |
This filter carries a phosphor bronze alloy powder that includes 1.05 wt% of tin and 0.09 wt% of phosphorus, the remainder being comprised of copper and unavoidable impurities, and that has antibacterial properties.
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WO/2022/243654A1 |
The present disclosure relates to a single-use filter component for removing NO2 in an air-treatment system, the component comprising a polymeric composition as an air-filtration medium, the polymeric composition comprising a plurality o...
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WO/2022/242994A1 |
The invention relates to a filter device, comprising a filter housing (10), which has an inlet (12) for unfiltered medium and an outlet (14) for filtered medium and which accommodates an exchangeable filter element (16). When unfiltered ...
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WO/2022/238413A1 |
The invention relates to a method of assembling a fiber network comprising a plurality of metal fibers, wherein the method comprises the following steps: providing a loose network out of the plurality of metal fibers at an assembling sit...
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WO/2022/241177A1 |
A product and method of manufacturing and producing antimicrobial fibers using an antimicrobial additive material. The method comprising using various antimicrobial metals incorporated and embedded into an inorganic material as metal ion...
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WO/2022/240715A1 |
A process for hydroprocessing a renewable feedstock in a fixed-bed reactor system having at least one catalytic bed involves directing a downward flow of the renewable feedstock to a filtering zone having top-open interstitial portions t...
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WO/2022/239430A1 |
The purpose of the present disclosure is to provide a filter material which is for an air filter and which has improved particle capturing ability by providing, in a relatively random manner in the in-plane direction and the thickness di...
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WO/2022/237966A1 |
The invention relates to a method of assembling a fiber network comprising a plurality of metal fibers, wherein the method comprises the following steps: providing a loose network out of the plurality of metal fibers at an assembling sit...
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WO/2022/234893A1 |
The present invention relates to a medium cultivation system comprising: a cultivation bed in which plants are placed and which allows the plants to be cultivated by means of a nutrient solution; a nutrient solution tank in which the nut...
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WO/2022/234895A1 |
The present invention relates to an air pressurization-type water purifier. The present invention provides the air pressurization-type water purifier comprising: a water tank in which water is stored; a filter module which is installed i...
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WO/2022/232618A2 |
A method of removing carbon dioxide from a gas can include providing a gaseous feed stream including a carbon dioxide gas and adsorbing the carbon dioxide gas with a porous carbon sorbent. The method can further include de-adsorbing the ...
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WO/2022/230692A1 |
This method for producing a honeycomb structure molded body has a mixing step (S1) and a molding step (S2). The mixing step (S1) involves preparing a clay material by mixing porous silica which has a prescribed water absorption property,...
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WO/2022/229266A2 |
The present invention relates to a face mask comprising, a layer comprising surface-functionalised graphene particles, wherein the surface-functionalised graphene particles preferably have one or more of the following features (i) a sulp...
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WO/2022/225159A1 |
The present invention provides an antibacterial filter, a method for manufacturing same, and an air purifier comprising same. Specifically, the antibacterial filter of the present invention contains a specific range of active copper part...
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WO/2022/222232A1 |
A nano-cellulose/glass fiber/immobilized nano-silver durable anti-microbial filter material, a preparation method therefor and the use thereof. The method comprises preparing an immobilized nano-silver complex anti-microbial agent using ...
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WO/2022/223776A1 |
The present invention relates to antimicrobial air filter comprising a filter medium comprising a composition containing at least one photosensitizer. The invention also relates to face masks comprising an air filter of the invention.
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