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WO/2023/228129A1 |
The present invention belongs to the field of physical or chemical processes, separation and a filtering medium for liquid and gaseous fluids, and more specifically to a nanofibre having high particle filtration efficiency. Said nanofibr...
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WO/2023/228832A1 |
A hydrogen-permeable filter (1) comprises a tungsten mesh (2) that has been woven using multiple tungsten threads (10). For example, the coefficient of elongation of each of the multiple tungsten threads (10) is 5% or greater. For exampl...
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WO/2023/227567A1 |
The present invention relates to a paper substrate with smooth face that is suitable for being used in a filter for a smoking article or vaping article.
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WO/2023/229082A1 |
A water treatment apparatus, according to the present invention, comprises: a water supply channel through which water flows from a water supply source; a main filter disposed in the water supply channel and purifying raw water into puri...
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WO/2023/224459A1 |
The invention relates to the metallization of a non-woven material. An antimicrobial non-woven filtering material is produced by converting metallic silver into its difficultly soluble compounds while continuously feeding a non-woven pol...
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WO/2022/216510A9 |
The present disclosure provides a filtration media comprising a combination of (i) a hollow fiber membrane and (ii) adsorption media. The disclosure further provides a device, the device comprising a filtration media, which filtration me...
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WO/2023/216809A1 |
A preparation method for a high-flux PP melt blown nanoporous folded liquid filtering material, belonging to the technical field of liquid filtering materials. The preparation method comprises: preparing a mixture, jetting filaments, car...
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WO/2023/220394A1 |
A membrane for capturing lithium via adsorption can include a stretched film and at least one of woven or knitted fabric or a nonwoven mat of fibers and can be functionalized by including at least one of: polymers coextruded with lithium...
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WO/2023/213484A1 |
Filter insert (112, 400) for purification and/or treatment of water comprising at least one bottom element (122, 404) having at least one passage opening (124); at least one cover element (126, 404) having at least one passage opening (1...
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WO/2023/214056A1 |
The invention relates to a wire-wrapped screen (1) for filtering crude oil, natural gas, or water, comprising at least one tubular support structure made of support elements (6), at least one wrap wire (8) which is wrapped about the supp...
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WO/2023/208838A1 |
The invention relates to an oil storage and oil filtration device comprising: - a first region (10), the first region (10) being monolithically designed as an oil-resistant open-pored oil storage medium for receiving oil; and - a second ...
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WO/2023/210370A1 |
Provided are a purification method and purification apparatus that deplete the metal impurities in an organic solvent. This organic solvent purification method is a purification method that depletes the metal impurities in an organic sol...
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WO/2023/210923A1 |
The present invention provides a volatile organic compound treatment system including: a regeneration device in which at least one VOC filter desorbs a pre-adsorbed volatile organic compound to regenerate the VOC filter, the VOC filter c...
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WO/2023/210211A1 |
The present invention provides a liquid regeneration device that is capable of, while using a single filter material, removing sludge in which a magnetic material and a non-magnetic material are continuously mixed depending on the filtra...
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WO/2023/205860A1 |
An antimicrobial HVAC filter is designed to be installed in conventional HVAC systems and has conventional filtration material. The filter has antimicrobial enhancement by way of a copper screen and an ultraviolet light source laid flat ...
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WO/2023/212205A1 |
The invention provides a medium. The medium comprises a fibrous matrix and silica microparticles immobilized in the fibrous matrix. The fibrous matrix may comprise glass fibers, polyolefin fibers, polyvinylidene fluoride (PVDF) fibers, p...
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WO/2023/210131A1 |
Provided is a method for producing a filter in which a catalyst is supported on a filter cloth, said method comprising: a step for preparing a catalyst slurry; a step for adjusting the contact angle of the catalyst slurry with respect to...
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WO/2023/210759A1 |
Conventional electret filters are produced using corona charging or liquid contact charging in which a pre-corona-charged filter is then charged by being brought into contact with water. Nevertheless, electret filters obtained by these m...
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WO/2023/204890A1 |
A filter media that includes a substrate layer, which includes a sheet having a fibrous polyester and cellulose blend with less than 80% polyester fibers by weight. The sheet further includes a membrane layer that is made from ePTFE. The...
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WO/2023/203577A1 |
The present disclosure relates to a system and regenerable molecular media for wastewater purification treatment and a preparation method thereof. The molecular filter media of the present invention are extremely high surface area filter...
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WO/2023/202649A1 |
Disclosed in the present invention are a spunlace non-woven fabric and a filter material prepared therefrom. The spunlace non-woven fabric contains 40-100% by weight of superfine polyphenylene sulfide fibers and 0-60% by weight of ordina...
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WO/2023/200950A1 |
Filter media including fibers comprising polyvinylidene fluoride (PVDF) and/or a copolymer thereof, are generally described.
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WO/2023/200797A1 |
An airborne pathogen barrier is disclosed herein. The airborne pathogen barrier includes one or more particle filtration fabric layers configured for trapping or capturing aerosol particles having a certain minimum size. The airborne pat...
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WO/2023/198890A1 |
A filtering structure having a filter inlet side and a filter outlet side, said layered filtering structure comprising at least -a support metallic mesh, used to provide strength for said filtering structure, -a filter metallic mesh made...
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WO/2023/200294A1 |
The present invention relates to a resin composition for an antibacterial filter to improve air hygiene problems by suppressing the propagation of bacteria in a filter applied to home appliances such as an air conditioner, a humidifier, ...
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WO/2023/198658A1 |
The invention relates to a dimensionally stable filter element (28) for a brake dust particulate filter (16), featuring a high-temperature filter medium (76) which forms at least one filtration portion (46) and at least one attachment po...
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WO/2023/198659A1 |
The invention relates to a dimensionally stable high temperature filter medium (76), in particular a brake dust filter medium, having at least two dimensionally stable metal-based grid-like support layers (80) and at least one heat-resis...
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WO/2023/200912A1 |
Articles and methods involving filter media are generally provided. In certain embodiments, a filter media has a design and/or comprises one or more layers that enhances its efficiency and/or performance.The filter media comprises a firs...
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WO/2023/200165A1 |
The present invention relates to: a method for manufacturing a non-woven fabric filter for an air conditioner, having a heavy metal and carbon dioxide adsorption function and an antibacterial function; and a non-woven fabric filter for a...
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WO/2023/196646A1 |
Systems, devices and methods are provided for separating and/or isolating individual nanoparticles from groups or clusters of nanofibers within a gaseous medium. The system comprises a housing configured to contain the groups of nanofibe...
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WO/2023/196639A1 |
Systems and methods are provided for continuously manufacturing fibrous materials and products, such as filters. A system comprises a conveyor for advancing a substrate comprising fibrous materials from an upstream end to a downstream en...
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WO/2023/196618A1 |
Filter media and filters, such as air filters, face masks, gas turbine and compressor air intake filters, panel filters and the like, are provided that capture submicron particles with both electrostatic forces and the utilization of nan...
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WO/2023/195317A1 |
The present disclosure addresses the problem of providing a filter material that is for air filters and that does not contain PFAS or siloxane compounds and has an excellent physical property balance of PF value, water repellency, and st...
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WO/2023/196649A1 |
Systems, devices and methods are provided for producing a product comprising fibrous material, such as a filter. A system for manufacturing a product comprises a first device for isolating individual nanoparticles within a gaseous medium...
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WO/2023/196643A1 |
Systems, devices and methods are provided for producing a product comprising fibrous material, such as a filter. A system for manufacturing a fibrous material comprises a feeder for advancing a substrate of fibers from an upstream end to...
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WO/2023/196641A1 |
Filter media and filters are provided that include at least two layers and a plurality of nanoparticles dispersed in depth within at least one of the layers. A gas filter comprises a first layer of fibers, a second layer of fibers bonded...
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WO/2023/194357A1 |
The invention relates to a filter medium (10), in particular for use in fuel cells, comprising: a) one or more ion exchanger materials; b) one or more impregnated first activated carbon materials; and c) one or more un-impregnated second...
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WO/2023/196626A1 |
Nonwoven materials and products comprising nonwoven materials are provided including a substrate comprising fibers and nanoparticles incorporated into at least a portion of the substrate. A nonwoven material comprises a substrate compris...
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WO/2023/196635A1 |
Filter media and filters, such as air filters, face masks, gas turbine and compressor air intake filters, panel filters and the like, are provided that include high linear density fibers and nanoparticles dispersed throughout at least a ...
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WO/2023/196604A1 |
Apertured polymeric layers, sheets, mesh or films are provided for a variety of different applications. A polymeric sheet comprises at least one polymer layer having one or more apertures for flow of gas or liquid therethrough, and a plu...
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WO/2023/196652A1 |
Systems, devices and methods are provided for producing fibrous materials and products, such as filters. A system comprises a first device for generating one or more fiber stream(s), and a second device for isolating nanoparticles within...
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WO/2023/196630A1 |
Filter media and filters, such as air filters, face masks, gas turbine and compressor air intake filters, panel filters and the like, are provided that include nanoparticles dispersed throughout at least a portion of the filter media. A ...
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WO/2023/196628A1 |
Filter media and filters, such as air filters, face masks, gas turbine and compressor air intake filters, panel filters and the like, are provided that include nanoparticles dispersed throughout at least a portion of the filter media. A ...
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WO/2023/190089A1 |
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 having a hydroxylamine str...
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WO/2023/185249A1 |
Disclosed in the present invention is a new method for preparing a carbon-based shaped engine oil purification material for vehicles and ships, which belongs to the technical fields of application of activated carbon materials and engine...
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WO/2023/190318A1 |
The present invention is a filter medium for an air filter including at least a hydrophobic layer and a functional layer. The functional layer includes at least one inorganic chemical agent selected from the group consisting of antibacte...
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WO/2023/185847A1 |
A mixed fiber web, and a preparation method therefor and the use thereof. The method comprises: forming a first fiber web layer on an output web curtain (14) by using stripped short fibers by means of an air laying method, wherein a suct...
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WO/2023/189806A1 |
An adsorption filter according to the present invention is composed of a molded body including activated carbon and a binder, and the pore volume thereof of pores having diameters of 15-30 μm, with reference to the volume of the adsorpt...
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WO/2023/192643A2 |
The disclosure relates to composite membranes for selective separation and processing of fluids and industrial applications.
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WO/2023/188864A1 |
A filtration member for an antiviral air filter, having an upstream fiber layer for which the contact angle with respect to water is 60° or less, and a downstream fiber layer for which the contact angle with respect to water is 90° or ...
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