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WO/2021/203066A1 |
This disclosure describes a filtration medium that is preferably glass-free or substantially glass-free. In some embodiments, the filtration medium preferably exhibits capacity and efficiency comparable to or better than similar glass-co...
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WO/2021/201850A1 |
According to examples, an apparatus may include a plurality of structures formed of fused sections of build material particles and a plurality of porous sections supported by the plurality of structures. The plurality of porous sections ...
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WO/2021/203067A1 |
This disclosure describes a filtration composite that includes multiple layers of filtration media. In some embodiment, the filtration composite is preferably substantially glass-free or glass-free. When the composite is glass-free or su...
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WO/2021/201397A1 |
A filter is disclosed. The filter of the present disclosure comprises: a support layer; and a filter layer bound to the support layer, wherein the filter layer is formed by a melt blown method with, as melts, a thermoplastic resin-includ...
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WO/2021/198737A1 |
A protective mask (10) that is washable and reusable after the restoration of its barrier and biocidal properties. The patent also regards the method of constructing the mask and the method of washing and restoring its properties.
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WO/2021/200363A1 |
The present invention aims to develop a water purification filter that uses activated carbon fiber and can continually exhibit high purification performance and little pressure loss. A multilayer sheet that includes at least two types ...
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WO/2021/199043A1 |
Compositions and articles comprising a non- woven matrix for use as anti-microbial filters are provided. In some embodiments, the non-woven matrix comprises nanofibers suitable for capturing a droplet comprising a microbe (e.g. a virus p...
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WO/2021/200201A1 |
The present invention can provide a chargeable core/sheath-structured fiber that can exhibit a satisfactory heat resistance and a satisfactory charge retention behavior. The chargeable core/sheath-structured fiber uses a polypropylene-ty...
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WO/2021/200075A1 |
Provided is a yarn comprising an electric field-forming filament. In said yarn, positive or negative surface electric potential is generated by applying external force in the axis direction of the yarn, and controlled surface electric po...
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WO/2021/202314A1 |
Embodiments herein relate to an ostomy bag filter. In an embodiment, a filter assembly for venting gas from an ostomy bag is included having a first layer, an adhesive layer, an adsorbent element, and a second layer, the second layer con...
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WO/2021/197482A1 |
The present invention provides a filter material comprising an antistatic substrate having a predefined antistatic capacity, and one or more layers of nanofibers applied on the substrate. The one or more layers of nanofibers may be fabri...
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WO/2021/191037A1 |
A composite multi-layer textile (1), comprising at least one nanofibre layer (11) with nanofibres with diameters below 100nm and one support layer (12) with microfibres with diameters below three microns, wherein the layers (11, 12) were...
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WO/2021/195365A1 |
The present disclosure provides a filtration media for filtering one or more airborne particles. The filtration media may comprise a membrane comprising one or more polymeric layers to filter the airborne particles. The filtration media ...
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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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