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WO/2021/207028A1 |
A porous support for nano-thickness membranes of less than 100 nanometers local surface roughness, suitable for the support of single-layer membranes of from about 1 to 500 nanometers in thickness, and for multiple layer membranes of up ...
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WO/2021/206586A1 |
A filter material for purifying a liquid or gas consists of two layers. A first coarse filtration layer is based on a non-woven fibrous material, and a second fine filtration layer is based on filter paper and/or filter board and is capa...
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WO/2021/207663A1 |
An embodiment is an article configured to inhibit or prevent pathogen growth. The article includes an inner layer configured to face a wearer's skin when the face covering article is applied to the face of the wearer; a middle layer adja...
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WO/2021/204469A1 |
The present invention concerns a method of manufacturing a filtration material for hygienic or sanitary use and such filtration material, which comprises an air-laid non-woven fibrous mat comprising bi-component fibres and a portion of g...
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WO/2021/206318A1 |
The present invention provides: a fiber membrane, which uses a biodegradable polymer so that uniaxially aligned first fibers and randomly aligned second fibers form a network; and a method for manufacturing the fiber membrane.
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WO/2021/207059A1 |
Filter media including out-of-plane solid elements are generally described. Inventive methods of forming them and uses thereof are also described.
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WO/2021/205500A1 |
A filter equipped with a filtering medium through which air passes and collectors which have a coarser mesh than does the filtering medium, wherein: the filtering medium has a pleated shape having first peaks and second peaks formed down...
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WO/2021/203494A1 |
A multifunctional electrostatic electret filter and a preparation method therefor. The filter is a sheet formed by interlacing a plurality of fibers (11). Each fiber (11) comprises a core portion (111) and a skin layer (112) which covers...
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WO/2021/206349A1 |
A composite nonwoven and an article comprising same are disclosed. The disclosed composite nonwoven comprises: a meltblown nonwoven layer that is at least partially charged; and a spunbond nonwoven layer that is at least partially hydrop...
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WO/2021/206348A1 |
Disclosed are a composite nonwoven fabric for an air filter, and an article comprising same. The disclosed composite nonwoven fabric for an air filter comprises: a first spunbonded nonwoven fabric layer; a meltblown nonwoven fabric layer...
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WO/2021/204729A1 |
The invention relates to a mask (10) comprising a main body (12) that has a filtering area (18), the filtering area (18) being adapted to cover the mouth and nostrils of a user, the filtering area (18) being a knitted fabric consisting o...
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WO/2021/206889A1 |
A filter element comprises one or more several tubular filter media element segments, which may be pleated filter media ring segments. One or more heat activated disks are used to connect each tubular filter media element segments togeth...
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WO/2021/203232A1 |
A method of making a porous structure configured for use in a particulate filter includes bonding a plurality of glass bubbles to one another, and breaching the plurality of glass bubbles. Voids within individual breached glass bubbles o...
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WO/2021/206358A1 |
Disclosed are a composite nonwoven fabric and an article including same. The disclosed composite nonwoven fabric comprises: a first spun-bonded nonwoven fabric layer; a melt-blown nonwoven fabric layer; and a second spun-bonded nonwoven ...
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WO/2021/206220A1 |
The present invention pertains to an antibacterial filter for a mask. According to an embodiment of the present invention, graphene and silver nanoparticles are selected as antibacterial agents, a polymer fiber is impregnated with a grap...
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WO/2021/206313A1 |
Disclosed are composite non-woven fabric and a product comprising same. The disclosed composite non-woven fabric comprises: an at least partially charged melt blown non-woven fabric layer; and an at least partially charged spunbond non-w...
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WO/2021/206317A1 |
Provided are a sub-micron fibrous membrane in which sub-micron fibers aligned along one axis and sub-micron fibers in a random pattern form a network, and a method for producing the sub-micron fibrous membrane.
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WO/2021/199013A1 |
It forms an object of the present invention a soft gel capsule containing volatile substances and / or essential oils, which is a gelatine capsule, wherein said capsule has a lenticular shape, with a diameter of length equal to or less t...
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WO/2021/203068A1 |
This disclosure describes filter media and mask filters and face mask systems including those filter media. In one aspect, the filter media includes a fibrous media including multi- component binder fibers, glass fibers, and microfibrill...
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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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