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WO/2022/089970A1 |
The invention relates to a method for producing a layered device (1) having a plurality of layers (4, 5), comprising the following steps: - providing an assembly aid layer (2) with an auxiliary layer surface (3), the auxiliary layer surf...
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WO/2022/094004A1 |
A hollow fiber membrane and methods of making the hollow fiber membrane are described. The membrane includes a hydrophobic polymer such as polysulfone, a hydrophilic polymer such as polyvinylpyrrolidone (PVP), and a fluropolymer additive...
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WO/2022/092067A1 |
A hollow fiber membrane that is made from a cellulose ester and is for cell cryopreservation, wherein a decrease in strength when used for cryopreservation of a cell is inhibited. A cell cryopreservation hollow fiber membrane that contai...
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WO/2022/090939A1 |
Embodiments of the present disclosure generally relate to processes for forming functionalized membranes. In an embodiment, a process for forming a functionalized porous membrane is provided. The process includes introducing a porous mem...
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WO/2022/094162A1 |
This invention allows for the production of high strength and high permeability TIPS membranes using extractable fillers with fine powder PVDF grades.
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WO/2022/083067A1 |
The present disclosure provides a method for preparing a poly(4-methyl-1-pentene) hollow fiber membrane having a graded pore structure by combining thermally-induced phase separation and nonsolvent induced phase separation, comprising: p...
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WO/2022/087167A1 |
The present disclosure relates to compositions including a core moiety and a plurality of polymeric units, in which at least one of these can include an ionizable moiety or an ionic moiety. Materials, devices, and methods using such comp...
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WO/2022/087169A1 |
The present disclosure relates to compositions including a first polymeric structure and a second polymeric structure, in which at least one of these can include an ionizable moiety or an ionic moiety. Materials, devices, and methods usi...
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WO/2022/086179A1 |
A super-hydrophilic surface treatment method for a filter medium of an oil/water-separating filter, according to the present invention, comprises the steps of: preparing a filter medium or a filtration filter comprising the filter medium...
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WO/2022/078785A1 |
The present disclosure relates to an anticoagulant-coated microporous hollow fiber membrane showing reduced thrombo- genicity. The disclosure further relates to a method for producing the membrane and a filtration and/or diffusion device...
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WO/2022/077562A1 |
Provided are a metal-organic framework material separation membrane and a method for preparing a metal-organic framework material separation membrane. The metal-organic framework material separation membrane comprises a base membrane and...
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WO/2022/078900A1 |
A process for the manufacture of a sulfonated polyarylene(ether)sulfone comprising feeding of a solution (S1) comprising a sulfonated polyarylene(ether) sulfone and sulfuric acid into a tooth rim dispersion machine, wherein the solution ...
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WO/2022/079676A1 |
The present disclosure relates to a method of preparing ceramic filtration membranes with a low defect rate and improved filtration performances. The ceramic filtration membranes have a layered structure, wherein the layers are concerted...
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WO/2022/073407A1 |
Provided by the present invention is a method for preparing a porous polymer semi-permeable membrane: in a solvent which can dissolve both, dissolving and mixing a hydrophobic polynorbornene polymer with a hydrophilic small molecule cros...
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WO/2022/076249A1 |
Described are filter membranes, related systems, and related method useful for producing purified (e.g., ultrapure) water, including membranes, systems, and methods of preparing purified water that will be useable in processes of manufac...
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WO/2022/075981A1 |
The present disclosure describes fluid-wicking membranes, methods of making fluid-wicking membranes, and flow assay membranes. In one example, a fluid-wicking membrane can include a substrate and a porous coating layer over the substrate...
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WO/2022/073999A1 |
A biocompatible polymeric membrane includes pores (106) defined between two material layers, where the first membrane material layer (101) includes strips, and the second membrane material (104) binds to each of the plurality of first me...
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WO/2022/073323A1 |
A preparation method for a CHA-type zeolite molecular sieve membrane. A gel method is adopted to assist in crystallization, the surface of a porous carrier is sequentially coated with a large-seed crystal solution and a small-seed crysta...
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WO/2022/071122A1 |
The purpose of the present invention is to provide a polyamide porous membrane which improves liquid transmission performance. A polyamide porous membrane having a dense layer formed on one or more surfaces thereof, said membrane havin...
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WO/2022/071047A1 |
In the past, fibrous separation membranes having separation layers that have inorganic materials as main components have been presented with problems in that, due to the effects of stress caused by stretching, contraction, etc., during u...
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WO/2022/071123A1 |
A purpose of the present invention is to provide a nanofiltration membrane that has a molecular weight cut-off of 200-1000, has a superior permeated liquid quantity with regard to ethanol, and can be suitably used as an organic solvent n...
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WO/2022/069386A1 |
A membrane comprising an anion exchange layer (AEL) and a cation exchange layer (CEL) wherein the CEL is obtainable by a process comprising curing a curable composition comprising a compound of Formula (I): Formula (I) wherein: X is is o...
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WO/2022/072466A1 |
The disclosure is directed to removal of metal contaminants from fluids, as well as ligand-modified filter materials useful for carrying out such methods. The filters and methods of this disclosure are particularly effective for removal ...
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WO/2022/071027A1 |
A method for treating wastewater containing an organic substance, the method comprising subjecting the wastewater containing an organic substance to a filtration separation treatment with an oil-repellent separation membrane and subseque...
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WO/2022/071153A1 |
In this method for treating oil-containing drainage water, concentrated water is obtained by treating oil-containing drainage water with a reverse osmosis membrane to separate oil and salt in the oil-containing drainage water, and evapor...
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WO/2022/071052A1 |
The present invention addresses the problem of providing a porous carbon fiber that is suitable for a support body for various gas separation membranes, with which it is possible to suppress adhesion between the separation membranes, the...
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WO/2022/069385A1 |
A polymer film obtainable by curing a composition comprising a compound of Formula (I) wherein: R' is vinyl, epoxy or C1-3-alkylenethiol: n has a value of 1 or 2; m has a value of 1, 2 or 3; M'+ is a cation; wherein X is as defined in th...
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WO/2022/068110A1 |
Disclosed are a ceramic filter membrane with a membrane thickness in a gradient distribution, and a preparation method therefor. The pure water flux of the ceramic filter membrane is 2100-2800 LMH under a pressure of 0.1 MPa. The ceramic...
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WO/2022/068109A1 |
Disclosed in the present invention are a high-flux anti-pollution ceramic filter membrane and a preparation method therefor. The ceramic filter membrane has a pure water flux of 2600-3200 LMH under a pressure of 0.1 MPa, comprises a cera...
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WO/2022/069470A1 |
The present invention relates to cellulose based papers coated with nitrocellulose as well as to methods for producing such coated papers and methods for using them, especially in lateral flow applications.
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WO/2022/069384A1 |
A polymer film obtainable by polymerising a composition comprising: (a) a compound Formula (I); wherein: R is C1-4-alkyl, NH2 or C6-12-aryl; and M+ is a cation; (b) a monomer comprising at least two polymerisable groups; and (c) a solven...
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WO/2022/065517A1 |
Provided is an air filter filtering medium comprising a fluorine resin porous membrane, wherein: a collection layer and an air-permeable adhesive layer are further provided; and the collection layer, the air-permeable adhesive layer, and...
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WO/2022/065457A1 |
Provided is a porous film that has a porous structure and contains a polymer blend comprising a base polymer and poly(2-methoxyethyl acrylate). Also provided is a method for producing a porous film, the method comprising a step for prepa...
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WO/2022/065515A1 |
The provided air filter filtration member comprises a fluororesin porous membrane, and furthermore comprises a collection layer, an air-permeable adhesive layer, and an air-permeable support layer in addition to the fluororesin porous me...
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WO/2022/058961A1 |
Molecularly porous cross-linked membranes (MPCMs) are described. For example, MPCMs prepared by interfacial polymerization of a reactive macrocycle monomer with intrinsic microporous structure are provided. Macrocycles with multiple reac...
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WO/2022/059368A1 |
The present invention provides a separation membrane having high separation from a gas mixture including an acid gas. This separation membrane 10 comprises a separation functional layer 1 including graphene oxide, an ionic liquid, and a ...
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WO/2022/058610A1 |
Disclosed is a method for producing a hierarchically porous structure, said method comprising a coating of a macroporous structure with metal nanoparticles and a metal-induced etching of the coated macroporous structure in order to produ...
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WO/2022/061030A1 |
The disclosure relates to composite membranes for selective separation and processing of fluids and industrial applications.
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WO/2022/059369A1 |
The present invention provides a separation membrane which is suitable for separating water from a liquid mixture comprising an alcohol and water and which, even when used over a long period, can be inhibited from decreasing in separatin...
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WO/2022/058056A1 |
The present invention relates to a method for simultaneous treatment of nitrous oxide and formation of nitric oxide comprising feeding a N2O gas stream into reduction catalyst of a membrane simultaneously with feeding a NH3 gas stream in...
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WO/2022/059350A1 |
This filter unit comprises a plurality of sheet-shaped ceramic membranes arranged in a parallel manner and spaced apart such that the surfaces thereof face each other. Each ceramic membrane includes a support having a water collecting ch...
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WO/2022/060702A1 |
Composite structures composed of inorganic membranes or polymer membranes supported on and integrated with compressed metal foam supports are provided. Also provided are methods of making the composite structures from compressed reticula...
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WO/2022/055125A1 |
The present invention provides a purification and recirculation system for improving the recovery efficiency of methane in biogas, comprising: a compressor for compressing inflow biogas; a separation membrane process part for separating ...
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WO/2022/056332A1 |
Affinity chromatography devices that include a fibrillated heat treated polymer membrane that contains inorganic particles having a spherical shape and a particle size distribution that has a D90/D10 less than or equal to 3 are disclosed...
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WO/2022/056331A1 |
The present disclosure is directed to affinity chromatography devices including a fibrillated polymer membrane that contains inorganic particles having a spherical shape and a particle size distribution that has a D90/D10 less than or eq...
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WO/2022/054417A1 |
The present invention involves processing, by using an oil resistance separation membrane, a to-be-processed liquid that is obtained from an oil-containing wastewater and that contains oil, to remove said oil therefrom.
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WO/2022/048698A1 |
The invention provides a block copolymer poly(styrene-block-C2-C4-alkylene-stat-C2-C4-alkylene-block-
styrene), wherein the benzene cores of the styrene units are substituted by sulfomethyl groups. Furthermore, the invention provides a c...
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WO/2022/049193A1 |
A composite membrane comprising: a) a first layer comprising a first porous support and a first ionic polymer present in the pores of the first porous support; b) a second layer comprising a second porous support and a second ionic polym...
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WO/2022/051456A1 |
Transfer sets with filters, including transfer sets with filters for peritoneal dialysis (PD) systems, and associated systems, devices, and methods are disclosed herein. In one embodiment, a transfer set includes a first connector config...
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WO/2022/050008A1 |
One aspect of the present invention is a composite semipermeable membrane comprising a semipermeable membrane layer and a porous support layer, wherein the semipermeable membrane layer includes a cross-linked polyamide that is obtained b...
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