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Patent Searching and Data


Matches 501 - 550 out of 23,972

Document Document Title
WO/2022/011873A1
A high-temperature-resistant glass fiber woven fabric and a preparation method therefor, which relate to the technical field of high-temperature filtration. The woven fabric comprises a base fabric and an organic coating, wherein the org...  
WO/2022/011689A1
A high filtration filter for filtering aerosols with low pressure drop across the filter and reduced cake formation when the aerosols penetrate through from an upstream side to a downstream side is disclosed. The filter (100) includes a ...  
WO/2022/008370A1
The invention relates to a seamless manufacturing processes for 3-dimensional waterproof and breathable porous polymer membranes by spraying, dip-coating or painting a substrate with a dispersion comprising polymer, coated or non-coated ...  
WO/2022/008614A1
The disclosure relates to a filtration media comprising a fibrous web impregnated with a resin composition comprising lignin. The fibrous web comprises the lignin in an amount of from 0.1 to 30 wt% by weight of the fibrous web, and the l...  
WO/2022/009028A1
A pleated multilayer air filter assembly including a primary filtration layer and a prefilter layer that are bonded to each other and are co-pleated with each other. The primary filtration layer includes meltblown electret fibers. The pr...  
WO/2022/011111A1
A face mask includes a fabric filter configured to be worn on a user's face. A composition with anti-viral properties is arranged on the fabric. The composition preferably includes anti-viral oils and an anti-viral metal such as copper o...  
WO/2022/008883A1
Certain examples of the present disclosure relate to a method for manufacturing a ceramic object, the method comprising: forming a ceramic structure by 3D printing the ceramic structure with a binder jetting 3D ceramic printer using a ce...  
WO/2022/008520A1
The invention relates to a device 1 for reducing the number of active microorganisms 2 in fluids, comprising at least one flow region 3 through which the fluid can flow. The flow region 3 comprises at least one antimicrobial component 5 ...  
WO/2022/008072A1
The invention relates to a face mask for the nose and mouth to protect against the growth and spread of unpleasant odours, bacterias, viruses and mould. The mask consists of two layers. The material is woven from Giza cotton and the fibr...  
WO/2022/003775A1
[Problem] To provide a sterilization filter that can be easily attached to various types of air circulation devices and is versatile. [Solution] Provided is a sterilization filter in which a sterilization non-woven fabric including a cop...  
WO/2022/004901A1
The present invention relates to a wet electrostatic nonwoven fabric consisting of electrostatic powder and electrostatic fibers and, more specifically, to a wet electrostatic nonwoven fabric consisting of electrostatic powder having an ...  
WO/2022/003965A1
The present disclosure addresses the problem of providing: a filter medium for air filters, said filter medium achieving a high PF value and high water repellency, while having practically sufficient stiffness and strength; and a method ...  
WO/2022/005154A1
A composite filter comprises: a filter unit, which filters air and includes a filter member provided with multiple filter parts having side surfaces connected to each other such that the filter parts are rotatable relative to each other;...  
WO/2022/003433A1
Embodiments include a filter material including an electrospun nanofiber membrane and an active nanomaterial agent incorporated into the electrospun nanofiber membrane, wherein the electrospun nanofiber membrane filters disease-causing a...  
WO/2022/004900A1
The present invention relates to wet electrostatic non-woven fabric, more specifically to wet electrostatic non-woven fabric in which dielectric powder is mixed in with polyethylene or polypropylene powder and made into powder, and same ...  
WO/2022/004480A1
The purpose of the present invention is to provide an electret fiber sheet that has high collection performance and that is suitably used in an air filter, etc. The present invention is an electret fiber sheet configured from polyolefin-...  
WO/2021/262977A1
A blended polymer comprising, an amorphous thermoplastic polymer and a thermoplastic semi-crystalline polymer, each of the polymers being essentially miscible in the other and being blended at a weight ratio of amorphous polymer/semi-cry...  
WO/2021/259420A1
The invention relates to a method for producing a fibrous web containing polylactide fibres and, as necessary, other fibres, in which (a) a fibrous ply containing polylactide fibres and, as necessary, other fibres are laid on a substrate...  
WO/2021/258134A1
The present invention relates to a smoking tip, a filter sheet for forming a smoking tip, and a booklet for forming smoking tips. In one aspect of the present invention, a filter sheet comprises: a sheet having a fabric layer thereon; wh...  
WO/2021/262296A1
An inflator (10) for generating inflation gases for a safety device includes a filter (62) having a main body portion (66) constructed of metal and an opening passing through the main body portion (66) in an axial direction. The opening ...  
WO/2021/261860A1
The present invention relates to an air purifier. Specifically, an embodiment of the present invention may provide an air filter comprising: a filter member that includes a plurality of vertical wrinkles extending vertically and a plural...  
WO/2021/262974A1
A polymeric composition comprised of poly(methylmethacrylate) (PMMA) and polylactic acid (PLA) having a surface charge potential of at least about 50 volts in the absence of any other charge enhancing component may be made by melt blendi...  
WO/2021/257582A1
In one aspect, a material structure is disclosed, which includes a macroscopic porous substrate configured to receive a flow of a medium for passage of at least a portion thereof through the porous substrate. At least one porous coating ...  
WO/2021/255401A1
The invention relates to a filtering face-piece respirator made of polyvinylidene fluoride and to a method for producing said respirator. The invention also relates to a method for reconditioning said respirator. The invention is also di...  
WO/2021/255390A1
The invention relates to a nonwoven web obtained by electrospinning, suitable for filtering nanoscale and/or submicrometer scale aerosols, comprising a multiplicity of fibers having composition C1, the composition C1 containing at least ...  
WO/2021/255402A1
The invention relates to a method for recycling filtering facepiece respirators comprising a plurality of layers made from a single thermoplastic polymer selected from among polypropylene, polyethylene terephthalate, polylactic acid, pol...  
WO/2021/253866A1
Embodiments relate to systems and methods for forming an air filtration system. The system includes an air filter. The air filter includes a plurality of filtration surfaces, including a first outer filtration surface, a second outer fil...  
WO/2021/256946A1
A composite filtration material is provided as well as a method for preparing the same. A filter is also provided that is fabricated with the presently disclosed composite filtration material. In various aspects, the provided composite f...  
WO/2021/255187A1
The invention relates to a sintered ceramic part in the form of a pellet (6; 6.1, 6.2) intended to be implanted in a filtering facepiece respirator (1), the part having a total porosity of more than 40%. The invention also relates to a f...  
WO/2021/255601A1
The present invention relates to a process for the preparation of a filter material to block harmful particles, in particular viral, bacterial and/or toxic particles, suitable for being incorporated into a sanitary article, as well as a ...  
WO/2021/255185A1
Disclosed is an apparatus for treating air, at room temperature, of an enclosed inhabitable space, the apparatus comprising: - a sintered ceramic part (2) having a total porosity higher than 40%, the pores of a size larger than 300 µm r...  
WO/2021/251678A1
Disclosed are a non-woven fabric for an air filter and a method for manufacturing same, and an article. The disclosed non-woven fabric for an air filter comprises a core portion containing a high-melting point polyester and a sheath port...  
WO/2021/250388A1
The present invention relates to a filter media for filtering condensate which includes oily contaminant. The present invention also relates to a filter comprising the filter media. The present invention also relates to a filtration mach...  
WO/2021/248213A1
, The present invention relates to an aromatherapy face mask for use ih aromatherapy and for individual protection of the upper respiratory system, providing an aromatherapy effect as well as a protective effect from the harmful componen...  
WO/2021/249861A1
The invention relates to antibacterial clothing made from textile and/or non-textile raw materials which are formed, by means of different methods, into linear, planar and/or spatial structures (body structures). The antibacterial clothi...  
WO/2021/244477A1
The present invention involves a filter material, the filter material comprises an internal filter core material and a cover layer covering an outer layer of the filter core material, wherein the cover layer is selected from one or more ...  
WO/2021/245121A1
An oil purification filter and a method for producing an oil purification filter. The oil purification filter comprises a filter body (3; 3'; 3'') which is, at least in a first part (5a; 5a') of a volume of the filter body (3; 3'; 3''), ...  
WO/2021/248121A1
A fluid purification system can include a filter comprising photocatalytic material, a light source configured to illuminate the photocatalytic material, and a scattering film configured to scatter light emitted from the light source.  
WO/2021/246977A1
The present invention also proposes a photothermal composition configured to be used in air filter for destroying bioaerosol particles by converting light energy emitted from a light source into heat energy comprising a photothermal agen...  
WO/2021/246373A1
A dispersion is provided in which a water-insoluble powder, e.g., hydroxyapatite, is stably dispersed. The dispersion of a water-insoluble powder is characterized by containing a cellulose derivative.  
WO/2021/244467A1
Disclosed are an air purification assembly having a coronavirus killing function and an application thereof. The air purification assembly comprises a first support layer, a second support layer, and a functional material layer disposed ...  
WO/2021/245080A1
The present invention relates to a hollow filter candle (1) which has, via impregnation of the inside with a catalyst solution, a concentration gradient of catalyst metals from the inside to the outside across the wall thickness thereof....  
WO/2021/237679A1
A bacterial cellulose-based air filter screen and a use. The bacterial cellulose-based air filter screen is of a three-layer structure, i.e., a layer of bacterial cellulose-based filter screen is sandwiched between two layers of polymer ...  
WO/2021/239663A1
Method of treating a textile article by impregnation with a water dispersion of graphene nano- platelets in an impregnation bath comprising also a polymeric binder and an anti-migration and wetting agent. Graphene is fixed in the textile...  
WO/2021/237326A1
The present invention relates to an antiviral and/or antibacterial fabric filter, and also to the use thereof as a filter element and retainer and as an antiviral and/or antibacterial agent. The present invention also relates to a method...  
WO/2021/240450A2
The invention relates to the filter insert, specifically, the filter insert (1) for filtration of liquids and/or gases, comprising at least one filter layer (3) containing at least one electro-conductive layer (2) to resist heating of th...  
WO/2021/239451A1
The invention provides a respirator mask (1) comprising a filter material piece (2) made of an air-permeable material and at least one securing band (3), wherein the air-permeable material comprises at least one layer of a non-woven fabr...  
WO/2021/239452A1
The invention provides a respirator mask comprising a filter material piece made from an air-permeable material and at least one securing band, wherein the air-permeable material comprises at least one layer of a non-woven biodegradable ...  
WO/2021/241367A1
The problem to be solved by the present invention is providing a friction-charging nonwoven fabric in which two or more types of fibers having differing constituent resins are mixed, the nonwoven fabric being thin and having superior str...  
WO/2021/239313A1
The invention provides a respirator mask comprising a filter material piece made of an air-permeable material and at least one securing band, wherein the air-permeable material comprises at least one layer of a non-woven fabric and the a...  

Matches 501 - 550 out of 23,972