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Matches 451 - 500 out of 20,614

Document Document Title
WO/2022/158412A1
The present invention addresses the problem of obtaining: a substrate for a filter in which pressure loss does not readily increase when affixed through thermal fusion, and in which high peel strength is obtained between a porous film an...  
WO/2022/155854A1
A single piece-type bipolar film roll with a mesh cloth support and a manufacturing method therefor. The single piece-type bipolar film roll is supported by a high-strength ultra-high molecular weight polyethylene mesh cloth, one side of...  
WO/2022/158738A1
A mask and a method for manufacturing the mask are provided. The mask comprises a mask body that covers the user's mouth and nose when worn by the user, and wearing straps connected to both sides of the mask body. The mask body includes:...  
WO/2022/152604A1
The present invention relates to a process for the separation of propylene from a gas mixture (GM) comprising propylene and propane by means of a membrane (M) comprising a polyarylene ether sulfone polymer (P) prepared by converting a re...  
WO/2022/155357A1
A gas separation membrane is provided. The gas separation membrane includes a poly(imide-oxadiazole) polymer including an oligomer having a structure comprising: [INSERT FORMULA]. In this structure, Ar1, Ar2, and Ar3 include aromatic moi...  
WO/2022/155190A1
A hydrogen-selective membrane including a metal leaf applied to a substrate. A system and method for fabricating a hydrogen-selective membrane, including applying a metal leaf to a substrate, annealing the metal leaf, applying a hydrogen...  
WO/2022/153967A1
[Problem] The present invention addresses the problem of removing a metal impurity from a photosensitive resin composition used in a packaging step during semiconductor device manufacturing and obtaining a highly purified refined materia...  
WO/2022/152748A1
The present relates to process for preparing a semi-permeable membrane, comprising the steps of: providing an aqueous phase comprising a polyfunctional amine monomer, covering a surface of a porous support membrane with the aqueous phase...  
WO/2022/148549A1
A device for obtaining protein-enriched fractions from human or animal milk comprises a delipidating unit for reducing a lipid content in the human or animal milk to obtain delipidated milk and a filtering unit for increasing a protein c...  
WO/2022/149318A1
This mixed gas separation method comprises: the step of supplying a mixed gas having a CO2 concentration of 30% by volume or lower and containing at least N2, H2, and CO2, to a first separation membrane (310) which is selectively permeab...  
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...  
WO/2022/147579A1
This disclosure relates to CO2-philic crosslinked polyethylene glycol membranes useful for natural gas purification processes. Also provided are methods of using the membranes to remove CO2 and H2S from natural gas.  
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...  
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...  
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...  
WO/2022/147515A1
A gas separation membrane, methods of forming the membrane, and methods of using the membrane for gas separation are provided. An exemplary gas separation membrane includes a cellulosic matrix and a polymer of intrinsic microporosity (PI...  
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...  
WO/2022/146741A1
Separation of a gas mixture comprising first and second gases may be improved using two cascaded stages of gas separation membrane modules that includes the additional techniques of cooling the feed gas stream that is fed to the feed sta...  
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...  
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...  
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...  
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 ...  
WO/2022/138524A1
An aromatic polysulfone which has, at main-chain ends, functional groups of one or more kinds selected from the group consisting of acidic groups having a pKa not higher than the pKa of the carboxyl group and salts of said acidic groups,...  
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...  
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.  
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...  
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...  
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 ...  
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...  
WO/2022/129480A1
The present invention relates to a desalination and/or purification device (1), a desalination and/or purification carbon membrane, and a method of desalinating and/or purifying a liquid by using such a desalination and/or purification d...  
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). ...  
WO/2022/131665A1
The present invention relates to: synthesizing an aromatic polyfluorene-based copolymer which has a cross-linked structure and does not have an aryl ether bond in the polymer skeleton, and in which a piperidinium group is introduced in a...  
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...  
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...  
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...  
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...  
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-...  
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...  
WO/2022/123953A1
This filtration device comprises: a filter (10); and a flow path member (20) provided with a flow path (24-26) having an inlet (20a) and an outlet (20b), the flow path member (20) retaining the filter disposed in the flow path. The inlet...  
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...  
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...  
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...  
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...  
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...  
WO/2022/126087A1
A polyimide material includes a polyimide of Formula (I) wherein A1 and A2 for each occasion independently are selected from a group of tetravalent moieties and B for each occasion independently is selected from a group of divalent moiet...  
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...  
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...  
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 ...  
WO/2022/120561A1
A water-soluble gel membrane having a virus enrichment function and a preparation method therefor and an application thereof. A preparation method for a chitosan water-soluble membrane is specifically disclosed, and comprises the followi...  
WO/2022/118849A1
The present invention relates to a gas separation system provided with a specific gas separating membrane unit, wherein: a feed gas pipe is connected to a feed gas inlet of the specific gas separating membrane unit; a permeated gas disch...  

Matches 451 - 500 out of 20,614