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WO/2021/235669A1 |
A carbon dioxide capturing agent according to an embodiment of the present invention comprises: a fluid; a carbon dioxide chemical absorbent dispersed in the fluid; and a protective film containing a plurality of nanoparticles surroundin...
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WO/2021/237027A1 |
A system for forming a hollow modular candle filter includes: a first filter portion having at least one open end; a hollow second filter portion having at least one open end; a sleeve configured to fit within the open end of the first f...
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WO/2021/235903A1 |
Provided is an antiviral filter medium. An antiviral filter medium according to an example of the present invention includes a first member that comprises an antiviral coating layer composed of fibers and having, on the entirety or a por...
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WO/2021/235827A1 |
Disclosed are an air purifier management system and an operation method thereof. The operation method of an air purifier management system according to an embodiment of the present invention may comprise the steps of: relaying, by a dong...
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WO/2021/235688A1 |
A filter for a water treatment device according to the present invention comprises an electrode part comprising: a plurality of activated carbon electrodes, each of which has a plate shape and includes a current collector and activated c...
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WO/2021/231695A1 |
A filtration media including at least a first nonwoven fabric having at least one meltblown layer in provided. The at least one meltblown layer includes a plurality of meltblown fibers having an average diameter from about 1 to about 5 m...
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WO/2021/228792A1 |
The present invention relates to a filter element used for trapping one or more gaseous pollutants chosen in particular from NOx, SO2, aldehydes and ketones, the filter element comprising at least one DES having a melting point greater t...
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WO/2021/231114A1 |
Sulfonated polystyrene fibers having an average diameter from 450 nm to 2000 nm and a capacity from 0.05 meq/g to 2.0 meq/g.
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WO/2021/229925A1 |
The present invention addresses the problem of providing: a filtration material for an immersion-type filtration cartridge, the filtration material having not only exceptional collection performance but also a high processing quantity wi...
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WO/2021/230118A1 |
A columnar honeycomb structure having: a peripheral wall; and a porous partition wall that is provided inside the peripheral wall and forms a plurality of partitioned cells penetrating from one end face to another end face to form flow p...
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WO/2021/229444A1 |
The novel and improved face mask materials with inherent virucidal activity not onlyreduces/nullifies the viral load via inhalation, but reduces the transmission from both the inhalation and contact routes by contributing to good hygieni...
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WO/2021/224820A1 |
An air filtering fabric, comprising: a first layer (1), formed by a plurality of weft threads, parallel to a weft direction (X), and a plurality of warp threads, parallel to a warp direction (Y); a second layer (2), formed by a plurality...
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WO/2021/225335A1 |
Disclosed is an oil-water separation apparatus. The oil-water separation apparatus may comprise: an oil-water separation filter assembly including at least one oil-water separation filter through which water passes and which filters out ...
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WO/2021/225819A2 |
An article of personal protective equipment. The article has an external side for facing side the environment and an internal side for facing the body of a user. The article is air permeable but has a porosity sufficient to entrap and th...
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WO/2021/224115A1 |
The invention relates to a filter on the basis of a nonwoven composite material and to a method for producing such a nonwoven composite material by electrospinning. The invention further relates to the use of such a filter for filtering ...
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WO/2021/226049A1 |
Articles and methods relating to filter media are generally provided. In some embodiments, a filter media has an irregular surface structure. For instance, the filter media may comprise a plurality of peaks that are irregular in one or m...
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WO/2021/226639A2 |
An assembly is for attracting and neutralising contaminants from air. It comprises a substrate and a graphite solution; wherein the substrate is treated with the graphite solution. The assembly further comprises ionising means configured...
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WO/2021/224773A1 |
Face mask (1) for filtering microbial loads and suspended particles comprising a thinned support (2), which is provided with an external face (3) and with an internal face (4) and is intended to cover a part of the face of a user, and a ...
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WO/2021/222131A1 |
Fabrics, such as employed in air filters, facemasks, garments, or PPE, are coated with pathogen-binding agents, such as chemicals that bind to protein- encapsulated airborne pathogens. Some of these pathogen-binding agents include multif...
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WO/2021/219860A2 |
A removable filtration system for use in a respiratory mask device has a filter media having a three-dimensionally contoured form to fit over the face of a wearer; and a filter support joined to the filter media along at least a portion ...
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WO/2021/217235A1 |
The invention discloses a fiber filament non-woven fabric with a small pore size and a large porosity, which adopts an island type ultra-fine fiber single filament, which is juxtaposed into an unidirectional silk layer several times, and...
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WO/2021/220720A1 |
The present invention provides a depth filter which contains fine particles and coarse particles, and which exhibits excellent filtration accuracy with respect to a high concentration fluid and/or a high viscosity fluid. This depth filte...
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WO/2021/220530A1 |
Provided is a filter molded body for a gas generator, the filter molded body comprising: a circumferential wall part that has a hollow cylindrical shape, and is formed by a wound body of filter wires on which a groove is formed at one lo...
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WO/2021/219882A1 |
The present invention relates to respiratory mask device and a reusable filtration system for use therein. In particular, the respiratory mask device includes a face gasket, a removable filtration system, and an outer covering removably ...
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WO/2021/220114A1 |
Invention relates to filters capable to filter and absorb heat generated during activation of fire suppressing gas generating devices. A filtering and heat absorbing filter comprises at least the following layers: an inner layer of a ste...
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WO/2021/221027A1 |
There is a need to realize a long-filter-lifetime filter member which is for a slurry liquid having a high viscosity and a high solid component ratio. This need is met by a filter member for filtering a slurry liquid in which a net and a...
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WO/2021/221534A1 |
The invention relates to the field of mechanical engineering, and more particularly to filter elements for use in filters for purifying liquid or gaseous media. Proposed is a filter element configured in the form of a solid of revolution...
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WO/2021/214498A2 |
The present invention relates to nanofilters and nanofliter systems for personal and health care protective equipment to protect against health and safety hazards having application in healthcare, industrial, public, domestic environment...
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WO/2021/216540A1 |
A filter or mask structure, comprising a first face layer comprising a polymer and having a face basis weight, a second outer layer comprising a polymer and having an outer basis weight less than 34 gsm, and a third outer layer comprisin...
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WO/2021/215205A1 |
The purpose of the present invention is to provide a porous ceramic laminate with which it is possible to reduce pressure loss of a fluid. The present invention is a porous ceramic laminate having a first porous layer and a second porous...
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WO/2021/212219A1 |
A list of highly suitable textiles and a method to combine them into a durable reusable filtration medium with high particles filtration efficiency (PFE) and breathability that lasts over 50-75 laundering cycles. Filtration medium achiev...
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WO/2021/215680A1 |
An air purifier or air conditioner including a filter device. The air purifier includes: a main body: a suction port provided to allow air to flow into the main body; a filter provided in the main body to filter the air suctioned from th...
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WO/2021/216086A1 |
Systems and methods for using a filtration medium coated with a zwitterionic polyelectrolyte to treat slop water recovered. In some embodiments, the systems include: a treatment unit including an inlet for receiving a slop water stream i...
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WO/2021/217073A2 |
An air-permeable filter material that includes a polymeric aerogel having a polymeric matrix comprising an open-cell structure is disclosed. The air-permeable filter material can be included in a mask, which can be configured to be place...
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WO/2021/216093A1 |
Systems and methods for using a filtration medium coated with a zwitterionic polyelectrolyte to treat various fluids including, but not limited to, fracturing fluids and drilling muds recovered at a rig site. In some embodiments, the sys...
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WO/2021/208825A1 |
Provided is a photoelectric device provided with an anti-contamination apparatus; the device comprises an optical component, an optical chamber, and an anti-contamination apparatus; the optical chamber is an enclosed chamber and is used ...
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WO/2021/212153A2 |
An antimicrobial spray composition is disclosed, forming a protective film on surfaces when dried. The protective film provides antimicrobial protection by killing at least 95% of microorganisms in < 30 minutes of exposure. The spray com...
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WO/2021/209213A1 |
The present invention relates to a multi-layered filter medium with a densified layer made of synthetic fibers, as well as to the use and the method for its production.
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WO/2021/210956A1 |
Provided is an antiviral filter medium. The antiviral filter medium according to an embodiment of the present invention is implemented by including a first member formed of fibers having an antiviral component including a surfactant. Acc...
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WO/2021/209395A1 |
The invention relates to a multi-layered substrate, comprising a first layer, a second layer and a third layer, wherein an acetyl donor and a peroxygen donor are entrapped between the first layer and the second layer capable of generatin...
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WO/2021/212147A2 |
The disclosure relates to bio-secure equipment for protecting surfaces prone to exposure to microbes. The bio-secure equipment is for the protection of surfaces, with a coating layer comprising a sulfonated polymer, having a sufficient d...
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WO/2021/212150A1 |
A face mask is disclosed. The face mask includes a mask pad adapted to cover a nose and a mouth of a wearer and allows a passage of air therethrough to the wearer and restricts a passage of microbes. The mask pad has at least a surface p...
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WO/2021/212146A1 |
A system, method, and apparatus for ameliorating deposits in selective catalytic reduction systems for the reduction of nitrogen oxide emissions in steam methane reformers. The system includes positioning a dual stage refractory particul...
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WO/2021/208232A1 |
Disclosed are a nano silver-copper alloy material and a preparation method therefor. The nano silver-copper alloy material is composed of a mixture of nano silver-copper alloy particles with a particle size of 15-50 nm, and the copper me...
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WO/2021/212152A1 |
An air filter device. The air filter device comprises: a filter medium having an inlet surface for taking in air, and a discharge surface for filtered air. The filter medium having a plurality of air passages for the air to flow therethr...
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WO/2021/206312A1 |
Disclosed are composite non-woven fabric and an article comprising same. The disclosed composite non-woven fabric comprises: a meltblown non-woven fabric layer which is at least partially charged; and a spunbonded non-woven fabric layer ...
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WO/2021/205217A1 |
Personal protective equipment (PPE) (1) for protection of the respiratory tract, including a support or carcass (2) having an anterior part (20) provided with air inlet and outlet holes (3), a replaceable filter (7) and a cover (8) to re...
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WO/2021/206359A1 |
A nonwoven fabric, a composite nonwoven fabric, and an article comprising same are disclosed. The disclosed composite nonwoven fabric comprises a first spunbond nonwoven fabric layer, an electrostatically-treated meltblown nonwoven fabri...
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WO/2021/206256A1 |
A mask, according to one embodiment of the present invention, may control air permeability by comprising an air filter unit capable of expanding or shrinking, in at least one direction, a filter which, by means of pores, filters particle...
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WO/2021/207132A1 |
This invention relates to an aqueous composition comprising, (a) an ion-exchange resin (IXR) comprising microporous beads having a particle size ranging from about 200 um to about 1000 um; (b) a water soluble surfactant having a molecula...
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