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WO/2022/145796A1 |
Provided is an apparatus for providing a shielding membrane to effectively block harmful particles, the apparatus comprising: a membrane guide member for guiding the boundary of the membrane formed by a membrane-forming solution; and a m...
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WO/2022/147555A2 |
A carbon dioxide containing fluid is flowed through a membrane in an open position. The membrane encapsulates an adsorbent bed operating at a first temperature. The adsorbent bed adsorbs at least a portion of the carbon dioxide of the ca...
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WO/2022/147535A1 |
A gas separation membrane, a method for making the gas separation membrane, and a method for using the gas separation membrane are provided. An exemplary gas separation membrane includes a polyether-block-polyamide (PEBA) matrix and a cr...
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WO/2022/145637A1 |
Provided is a solvent-resistant nanofiltration separation membrane which goes through a post-treatment process using a good solvent, so that the separation membrane performance may be effectively improved by an uncrosslinked selective la...
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WO/2022/145631A1 |
The present invention relates to a membrane which comprises a symmetrical membrane comprising an arranged pore layer, and an asymmetrical membrane formed on one or both surfaces of the symmetrical membrane, and thus has significantly imp...
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WO/2022/145781A1 |
The present invention relates to a hollow fiber membrane and a method for producing same, the hollow fiber membrane comprising, sequentially from the center: a first layer of a high-density sponge structure having pores of 1 nm or less i...
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WO/2022/144297A1 |
Container for releasing volatile substances, comprising a container body (1) that contains a liquid with volatile substances and that is provided with an aperture (2); a porous membrane (3) that closes the aperture (2) of the container b...
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WO/2022/136459A1 |
The present invention relates to a chromatographic material comprising a polymer network material-based self-supporting bi-continuous separation matrix for adsorptive material separation in liquid media, and a method of producing the chr...
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WO/2022/138975A1 |
A composite semipermeable membrane comprising a separate functional layer on a microporous support layer, wherein the separate functional layer contains a crosslinked fully aromatic polyamide, and wherein for positive secondary ions as m...
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WO/2022/138127A1 |
The purpose of the present invention is to provide a fluid separation membrane module with which, when using a fluid separation membrane having a high tensile modulus, it is possible to suppress breaks or damage to the fluid separation m...
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WO/2022/137137A1 |
A selectively permeable membrane for separating carbon dioxide from methane in a gaseous stream, the membrane comprising a carbonization product of a sulfonated poly(phenylene ether) copolymer, wherein the membrane has: a carbon dioxide ...
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WO/2022/136447A1 |
The present invention concerns gas-separation membranes. In some embodiments, the membranes comprise nano- or microislands or non-continuous metal layers suitable to adsorb, react with and/or otherwise retain at least one of the gases to...
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WO/2022/136166A1 |
Disclosed herein is a method of securing a membrane to a substrate, the method comprising: depositing a metal layer onto a surface of a substrate; and performing a bonding process that bonds a metal membrane onto the deposited metal layer.
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WO/2022/140437A1 |
A composite, method of making the composite, and method of using the composite are disclosed. The composite comprises a macroporous scaffold comprising pores; and a polymer matrix positioned within the pores; wherein the polymer matrix c...
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WO/2022/132051A1 |
The present invention relates to a composite membrane comprising at least one 2D material such as graphene oxide, graphene nanoplatelets or a mixture thereof, and an inorganic porous material such as gypsum, silicates and alumina. The co...
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WO/2022/127637A1 |
The present disclosure relates to a composite reverse osmosis membrane and a preparation method therefor. The preparation method of the present disclosure can realize the preparation of a composite reverse osmosis membrane having a high ...
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WO/2022/132566A1 |
A low cost, high selectivity asymmetric polyimide/polyethersulfone (PES) blend hollow fiber membrane, a method of making the membrane and its use for a variety of liquid, gas, and vapor separations such as deep desulfurization of gasolin...
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WO/2022/132045A1 |
Disclosed is a polycrystalline metal-organic framework (MOF) membrane PCN-250 formed on a porous substrate such as alumina and said polycrystalline MOF membrane material used as a filter material in organic solvent nanofiltration (OSN). ...
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WO/2022/130741A1 |
This separation membrane composite (1) comprises a support (11), a separation membrane (12), and a covering membrane (13). The support (11) has a porous section (41) and a compact section (42) that are disposed continuously. The separati...
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WO/2022/127635A1 |
A boron-removal reverse osmosis membrane and a preparation method therefor. The boron-removal reverse osmosis membrane comprises: a support layer formed on a surface of a substrate, the support layer comprising a polymer and a pore-formi...
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WO/2022/129063A1 |
The present invention relates to a continuous process for making polyolefines. The process involves a membrane-assisted separation of non-reacted olefins downstream a polymerisation reactor and enables economical production of polyolefin...
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WO/2022/129510A1 |
The container for diffusing volatile substances comprises a transparent container body (1) for a material impregnated with volatile substances and provided with an opening (2); a permeable membrane (3) that closes the opening (2) of the ...
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WO/2022/121594A1 |
The present invention relates to the technical field of membrane separation, and discloses a method for preparing a nanofiber/MOFs-based preferential alcohol-permeable pervaporation membrane. The present invention first provides the stra...
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WO/2022/122389A1 |
Porous liquid-filtering membranes (102) are provided having a boundary region (303) substantially surrounding a pore region (302) and having greater tear resistance than the pore region (302). In various aspects, a liquid-filtering tear-...
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WO/2022/124987A1 |
A thin film composite hollow fibre membrane There is provided a thin film composite (TFC) hollow fibre membrane comprising a porous hollow fibre support layer and a selective layer, formed of a cross-linked polyamide comprising amino-fun...
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WO/2022/123428A2 |
A polymeric membrane. The membrane can include a polymeric membrane made from a polymer selected from an aromatic sulfone polymer, polyamide, cellulose, cellulose acetate, polymethylmethacrylate, polyvinylalcohol, and polyacrylnitril, wh...
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WO/2022/122769A1 |
The present invention relates to a composition for the manufacturing of a porous article, notably a membrane, which comprises a poly(arylene sulphide) and at least one water-soluble salt. The present invention also relates to a method fo...
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WO/2022/125452A1 |
This disclosure provides certain strong cation-modified ion exchange resins and membranes useful for carrying out the removal of metal and metal ion contaminants in fluid compositions. Filtered liquid compositions with significantly redu...
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WO/2022/121102A1 |
Disclosed are a porous polymer-modified metal carbon nanotube composite film, a preparation method therefor and the use thereof. The method comprises the following steps: mixing an acidified carbon nanotube film with a modification liqui...
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WO/2022/123497A1 |
A thermally-crosslinked membrane comprising a poly(1,2,4-triazole)-polymer that includes recurring hydroxyl-functionalized triazole units is described. The polymer has the structure of formula I: (I) wherein Ar describes an aromatic or h...
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WO/2022/121101A1 |
A method for separating dye-containing wastewater based on a porous polymer-modified metal carbon nanotube composite membrane, the method comprising: mixing an acidified carbon nanotube membrane with a modifying solution and then reactin...
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WO/2022/124554A1 |
The present invention relates to a polyamide reverse osmosis membrane having excellent durability and antifouling properties and a method for manufacturing same, the polyamide reverse osmosis membrane comprising: a porous support; a poly...
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WO/2022/125741A1 |
Reverse osmosis membranes resembling graphene oxide formed on the surface of porous substrates and methods for their fabrication are disclosed. The fabrication of these membranes is accomplished through the interfacial polymerization of ...
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WO/2022/118943A1 |
The present invention is a porous hollow-fiber membrane that includes recycled cellulose, wherein the elastic limit pressure of the porous hollow fiber membrane is 200 kPa or more.
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WO/2022/115438A1 |
Disclosed herein is a porous membrane comprising a porous substrate; a porous ceramic coating disposed on the porous substrate; where an average pore size of pores in the porous substrate are larger than an average pore size of pores in ...
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WO/2022/115385A1 |
Described are porous filter membranes that include two opposed sides, a thickness, and a porous structure between the opposed sides; filter components and filters that include this type of porous filter membrane; methods of making the po...
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WO/2022/115584A1 |
In a method for making a nanofiltration membrane, an ultrafiltration membrane is disposed onto a support module. A plurality of interface polymerization reactants is applied to the ultrafiltration membrane. The interface polymerization r...
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WO/2022/114227A1 |
Provided is a hollow fiber membrane module with which breakage of a hollow fiber membrane can be suppressed. In this hollow fiber membrane module, in which both ends of a hollow fiber membrane bundle are accommodated in a housing by way ...
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WO/2022/113604A1 |
The present invention provides a liquid separation membrane having an exceptional effect for suppressing fouling of the membrane, and a method for producing the liquid separation membrane. This liquid separation membrane (1) has a subs...
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WO/2022/113019A1 |
The object of the invention is a membrane made of an organic material with pore-forming, anti-inflammatory and anticoagulant properties, characterized in that it has the form of a flat film or a hollow fiber tube and is made of an organi...
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WO/2022/112150A1 |
The present invention relates to a solution comprising at least one sulfone polymer and N-tert.-butyl-2-pyrrolidone, the process of making a membrane and the use of this membrane for water treatment.
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WO/2022/114222A1 |
Provided is a method for washing a hollow fiber membrane module which comprises a hollow fiber membrane for filtering raw water containing a suspended component, said method comprising, in the following order, a first washing step for re...
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WO/2022/115115A1 |
A composite polyamide reverse osmosis membrane comprising a polyamide layer; where the polyamide layer has a thickness in the range of 50 - 250 nm, and large open spaces (i.e., free volumes); where the open spaces are defined by a ratio ...
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WO/2022/109865A1 |
Disclosed is a wastewater deep treater, comprising a treater body, wherein a barrel-shaped filtering assembly is vertically arranged in the treater body, the barrel-shaped filtering assembly divides the treater body into an inner purific...
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WO/2022/107856A1 |
The purpose of the present invention is to provide a porous membrane which has high filtration performance in a process wherein turbidity is removed, by means of membrane filtration, from natural water, domestic waste water, and suspensi...
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WO/2022/108902A1 |
An apparatus for treating a biological fluid, comprising a plurality of filtration devices. In some embodiments, each of the plurality of filtration devices comprising at least one inlet and at least one outlet; and a first insert plate ...
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WO/2022/109210A1 |
The present invention is directed to surface-treated membranes comprising: (a) a porous polymeric substrate; and (b) a coating layer applied to the substrate. The coating layer is formed from a surface treatment composition comprising: (...
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WO/2022/105937A1 |
A preparation method for a fouling-resistant and anti-yellowing composite reverse osmosis membrane. By means of modifying stability and yellowing problems of a reverse osmosis membrane coating, and using living polymerization to graft th...
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WO/2022/104072A1 |
Polymer-based membranes and methods for fabricating membranes are described. The methods include forming a casting solution featuring a polyvinylidene fluoride (PVDF)-based solvent and a polyvinylpyrrolidone (PVP)-based modifying agent, ...
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WO/2022/104089A1 |
Polymer-based membranes and methods for fabricating membranes are described. The methods include forming a casting solution featuring a plurality of titanium dioxide (TiO2) nanoparticles, a polyvinylidene fluoride (PVDF)-based solvent, a...
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