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WO/2023/090205A1 |
A ventilation filter has one main surface and another main surface, and includes a fluororesin porous membrane treated with an oil-repellent agent for oil repellency. When the absorption spectrum is measured through Fourier-transform inf...
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WO/2023/090701A1 |
The present application provides a spunbond nonwoven fabric, a manufacturing method therefor, a manufacturing apparatus therefor, and an article including the nonwoven fabric, wherein the spunbond nonwoven fabric is superb in terms of pe...
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WO/2023/090761A1 |
The present invention relates to a method for electrospinning of a high-efficiency nanofiber air filter by using a PVDF-G-POEM double comb copolymer. According to the present invention, provided is a nanofiber air filter which: can adsor...
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WO/2023/091666A1 |
Filter media including fibers comprising a matrix polymer and impact modifier, and related methods, are generally described.
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WO/2023/084428A1 |
Ceramic filter comprising composite material, wherein the composite material has a porosity comprised between 0.1 μm and 10 μm. Advantageously, the ceramic filter, the process for cleaning said ceramic filter, the process for producing...
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WO/2023/085548A1 |
The present invention relates to a composite filter and a water purifier including same, wherein the discharging of washing water as well as the input of raw water and the output of purified water are possible, and thus filter members ar...
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WO/2023/085909A1 |
The present invention provides a cabin filter unit having a PTFE membrane multilayered structure comprising three superimposed layers. The cabin filter unit having a PTFE membrane multilayered structure comprises: a melt blown layer disp...
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WO/2023/082498A1 |
A nanocellulose aerogel, a preparation method therefor and an application thereof. On the inside, the nanocellulose aerogel has a porous network structure, with an average pore diameter of 100-240nm and a porosity of 69-88%; the nanocell...
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WO/2023/084448A1 |
The invention relates to a filter containing a filter material comprising sodium silicate for filtering particles harmful to health from a gaseous medium and the use of a filter material to reduce the concentration of certain substances ...
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WO/2023/080462A1 |
A filter assembly is disclosed. An embodiment of the present invention may provide a filter assembly comprising: a housing having a containing space formed therein so as to communicate with an external raw water supply portion and a puri...
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WO/2023/080563A1 |
Provided is a sidestream smoke removal device comprising: a housing in which a smoking space is formed; an item insertion part positioned at one end of the housing so as to form an opening for allowing a smoking item to be inserted into ...
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WO/2023/079766A1 |
Provided is a photocatalyst antibacterial deodorizing material having sufficient performance in both antibacterial performance and deodorizing performance. The photocatalyst antibacterial deodorizing material 10 comprises a photocataly...
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WO/2023/081282A1 |
An air filtration membrane includes a substrate and a network of electrospun polymeric nanofibers deposited on the substrate, wherein the air filtration membrane has a minimum air filtration efficiency of between MERV 13 and HEPA filtrat...
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WO/2023/078820A1 |
The invention relates to a cartridge for drinking water treatment, in particular designed for a table top water filter or an under-the-sink water treatment system. The cartridge has at least one chamber through which water can flow and w...
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WO/2023/081130A1 |
The invention provides microfluidics devices, methods and kits employing expandable gels in a sample chamber for translocating cells or particles in a sample solution to an observation plane to facilitate counting and analysis.
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WO/2023/074926A1 |
An oxygen transmitter comprises: a main body; a gas chamber cap coupled to one end of the main body in the longitudinal direction to form a gas chamber; a measurement chamber cap coupled to the other end of the main body in the longitudi...
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WO/2023/074011A1 |
Provided is a particle adhesion device 100 comprising: a holder 10; a chamber 20; a nozzle 30; an intake port 40; and a flow control member 50. The holder 10 holds a filter base material 70 having a first end surface 71a and a second end...
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WO/2023/076688A1 |
Disclosed are methods, devices, systems, and filter media for the removal of contaminants (e.g., oils, per- and polyfluoroalkyl substances (PFAS), and/or microbes) from a fluid. The filter media can comprise a fiber (e.g., a hydrophobic ...
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WO/2023/074758A1 |
An electret according to the present invention contains at least 90 mass% of a polyolefin resin, 0.1-5 mass% of a hindered phenol compound having an amide bond, and 0.1-5 mass% of a nitrogen-containing compound.
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WO/2023/073944A1 |
Provided is a filter having excellent efficiency in capturing foreign matter. This filter 10 includes a foam layer 12 that is made of a resin foam, a fabric layer 14, and a fiber layer 16 that is positioned between the foam layer 12 an...
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WO/2023/076277A1 |
An air filter comprises a filter element that includes a proximal surface configured to receive a flow of air; is configured to remove a set of pollutants from the received flow of air; and includes a distal surface configured to allow p...
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WO/2023/076148A1 |
The invention relates to a composite block article having a polyamide binder interconnecting one or more types of interactive particles or fibers. The block article is useful in the separation of materials dissolved or suspended in fluids.
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WO/2023/076138A1 |
Porous structures are made from compositions that include hollow glass bodies and an inorganic powder. The inorganic powder may act as a rigid frame member, a crystallization agent, or both, which reduces the shrinkage of the porous stru...
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WO/2023/074503A1 |
This filter makes it possible to escape damage even when oil mist in gas has been trapped thereon and also to prevent a filter paper from being clogged with an oil film. The filter is provided with a filtering medium formed by folding ...
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WO/2023/076555A1 |
Some embodiments relate to a filter material for coalescing a dispersed phase in a continuous phase. The filter material has binder fibers and irregular rayon fibers distributed among the binder fibers. The filter material lacks non-fibr...
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WO/2023/074737A1 |
A porous material comprising a liquid crystal polymer powder, wherein the liquid crystal polymer powder includes fibrous particles formed of a liquid crystal polymer, the average size of the fibrous particles formed of the liquid crystal...
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WO/2023/066554A1 |
The invention relates to a motor vehicle (1) having an interior (2) provided to accommodate passengers, more particularly a driver, and a ventilation device (3) for ventilating the interior (2) and comprising an air filter device (9) for...
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WO/2023/068538A1 |
A home air-shower device according to the present invention comprises: a body part having, at both sides of the inside thereof, flow paths, which are air flow passages and are separated from the inner center portion thereof; an inflow pa...
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WO/2023/068539A1 |
An air shower apparatus installed as an affiliate of a house structure according to the present invention is installed as a structure of a house and comprises: a body portion having channels formed on both sides of the inside thereof as ...
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WO/2023/069327A1 |
Described are multi-layer filters of a type commonly known as "depth filters" and related devices and methods, with the filters containing a layer that includes polyaramid fiber, synthetic filter aid, and polymeric binder.
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WO/2023/063299A1 |
An electret material according to the present invention is formed from a resin composition containing at least 90 wt.% of a polypropylene resin, and 0.05-5 mass% of a hindered phenol compound having an amide bond. The crystallization tem...
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WO/2023/062964A1 |
The present disclosure addresses the problem of providing a filter medium for an air filter, the filter medium having a high PF value and a high level of water repellency, and not containing a PFAS or a siloxane compound. The filter medi...
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WO/2023/064595A2 |
A thin-film composite membrane may comprise a mixed-matrix membrane supported by a substrate, the mixed-matrix membrane comprising two or more sublayers. At least one of the sublayers may comprise 10 by weight (wt%) to 75 wt% filler part...
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WO/2023/058814A1 |
The present invention provides a purification apparatus (1000) of a cleaning solution for a flush toilet, which purifies an excreta liquid discharged from a toilet bowl (40) and removes a solid-state excreta so as to return same to a cle...
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WO/2023/058102A1 |
The present disclosure addresses the problem of providing a filter material for an air filter that does not contain PFAS or siloxane compounds and has an excellent physical property balance of PF value, water repellency, and strength. Th...
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WO/2023/054012A1 |
The present invention addresses the problem of obtaining a gas adsorbent, a gas adsorption sheet, a filter medium, and an air filter that have excellent gas component adsorption capacity and excellent long-term stability of that adsorpti...
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WO/2023/053316A1 |
The purpose of the present invention is to provide air-conditioning equipment that can adequately exhibit a sterilization effect on air having a high flow rate, even in a procedure in which a filter or coil is irradiated with ultraviolet...
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WO/2023/055749A1 |
The disclosure provides improved vent filters useful in single-use in-line transfusion systems. In a first aspect, the disclosure provides filter comprising (i) a layer comprising a fluoropolymer membrane and (ii) a layer comprising at l...
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WO/2023/055767A1 |
A method for filtering particulate down to 0.5 micron from cooking oil at a filtration temperature of up to 425° Fahrenheit is provided. The method includes providing a filter (12) having a non-woven panel (58) of randomly oriented fibe...
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WO/2023/047105A1 |
A biodegradable filter assembly for an electrical appliance comprising a motor for generating an airflow through the appliance, in use, the biodegradable filter assembly being configured to filter particulate matter from the airflow, whe...
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WO/2023/048194A1 |
A ceramic honeycomb structural body characterized by being provided with a plurality of honeycomb segments which include a plurality of flow passages that are divided by separating walls of a porous material and that penetrate through th...
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WO/2023/044590A1 |
The invention relates to a polymeric master batch for preparing an antimicrobial material and an antimicrobial air filter prepared with said material, which serves to filter the air and reduce the growth of bacteria and fungi, such as E....
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WO/2023/048082A1 |
Provided are a filter and a filter assembly that have excellent producibility at low cost, high mechanical strength, as well as both waterproofness and air permeability. A filter 2 comprises a porous sintered body 3 formed by sintering a...
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WO/2023/049527A1 |
Filter media comprising cellulose fibers and fibrillated thermoplastic fibers, such as fibrillated polyolefins are described. The filter media can be provided in the form of non¬ woven fiber mats (e.g., wet-laid non-woven fiber mats) th...
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WO/2023/049269A1 |
Filtration media packs, filter elements, and media are disclosed, including media packs having a plurality of layers of single facer media wherein the layers of single facer media include a fluted sheet, a facing sheet, and a plurality o...
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WO/2023/046904A1 |
The present invention relates to a heat sealable filter material for liquids that is fully compostable. The filter material is a thermoplastic-impregnated cellulosic nonwoven having a Textest Air Permeability of 50 to 1000 L/m²s. The...
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WO/2023/047106A1 |
A serviceable part for use in an electrical appliance, the serviceable part comprising a motor for generating an airflow through the appliance, in use, and a filter assembly for filtering dust and/or particulate matter from the airflow, ...
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WO/2023/047108A1 |
A serviceable part for an electrical appliance comprising a motor for generating an airflow through the appliance, in use, the serviceable part comprising a filter assembly for filtering dust and/or particulate matter from the airflow, w...
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WO/2023/042493A1 |
The present invention addresses the problem of providing a depth filter which has excellent filtration accuracy with respect to a fluid that contains fine particles and coarse particles and has a wide particle size distribution, and whic...
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WO/2023/007296A9 |
A composite filtering medium comprising a precision fabric, of the type with weft and warp, on the surface of which nanofibres are deposited by electrospinning. A method for producing the composite filtering medium, comprising a step of ...
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