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WO/2023/018606A1 |
A composition comprising 5-30 weight percent of a polyimide and a solvent having boiling point of less than 150°C, and optionally further comprising a pigment, where the polyimide is soluble in the solvent and is the dehydrated reaction...
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WO/2023/017784A1 |
A laminated film (10a) has a polyolefin microporous membrane (20) and a porous support layer (30), wherein the polyolefin microporous membrane (20) and the porous support layer (30) are bonded to each other by scattered bonding parts (40...
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WO/2023/017785A1 |
A laminated film (10a) has a polyolefin microporous membrane (20) and a porous support layer (30), wherein the polyolefin microporous membrane (20) and the porous support layer (30) are bonded to each other by scattered bonding parts (40...
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WO/2023/017781A1 |
The purpose of the present invention is to provide a polyamide porous membrane that makes it possible to improve liquid permeability while suppressing deterioration of membrane separation performance. A polyamide porous membrane accordin...
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WO/2023/017783A1 |
This laminated film has a polyolefin microporous membrane and a porous support layer. The polyolefin microporous membrane and the porous support layer are bonded together by bonding sections that are dispersed therebetween and include a ...
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WO/2023/015826A1 |
A nanofiber filtering membrane, and a preparation method therefor and the use thereof. The nanofiber filtering membrane comprises a polymer fiber, and electret nanoparticles and ZnAc•2H2O both attached to the surface of the polymer fiber.
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WO/2023/018816A2 |
A plasma separation device including a blood inlet and a plasma outlet, the blood inlet comprising an inlet tunnel configured for loading a whole blood sample and a first chamber configured for collecting the whole blood sample; the plas...
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WO/2023/006830A1 |
The present invention relates to a process for the preparation of a polyarylether copolymer (P), the polyarylether copolymer (P) obtained by the process and a process for the preparation of a membrane comprising the polyarylether copolym...
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WO/2023/007202A1 |
The invention relates to composition comprising: - at least one porous solid additive having a charged surface; - a charged interfacial agent; - a polymerizable ionic liquid monomer; wherein the charged interfacial agent is an ionic liqu...
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WO/2023/004498A1 |
A method of forming a graphene oxide (GO) film on a substrate involves depositing a GO ink on a surface of a porous substrate, and mechanically removing excess ink on the surface of the porous substrate while simultaneously providing a p...
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WO/2023/007201A1 |
The invention relates to a composition comprising: at least one porous solid additive having a charged surface; an IL; a polymerizable IL; and a cross-linker; wherein the cross-linker wherein the cross-linker has a high affinity to CO2 o...
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WO/2023/001815A1 |
The present invention pertains to a method for making a reinforced shaped article comprising the steps of: a) providing one or more fluoropolymers having a melting point Tm, said one or more fluoropolymers being characterized in that the...
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WO/2023/004022A1 |
An article includes an asymmetric hollow fiber CMS membrane made by a method comprising: heating a polymeric precursor to a pyrolysis temperature from 500 °C to 1200 °C; pyrolyzing the polymeric precursor at the pyrolysis temperature, ...
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WO/2023/002146A1 |
The present invention relates to a process of separating a feed stream comprising HCl and PF5 into a plurality of streams, wherein a first stream is enriched in PF5 and a second stream is enriched in HCl, the process comprising the feed ...
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WO/2023/004024A1 |
A method of manufacturing a hollow fiber carbon membrane, the method includes heating a polymeric precursor to a pyrolysis temperature that is greater than or equal to 900 °C and less than or equal to 1200 °C, and pyrolyzing the polyme...
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WO/2023/004020A1 |
A method of making a hollow fiber carbon molecular sieve (CMS) membrane includes heating a polymeric precursor to a pyrolysis temperature that is greater than or equal to 500 °C and less than or equal to 1200 °C; pyrolyzing the polymer...
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WO/2023/286729A1 |
A semipermeable membrane that comprises a polyether sulfone, a sulfonated polyarylene ether copolymer and polyvinylpyrrolidone and that has cytokine adsorption ability suitable for the use in continuous renal function replacement therapy...
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WO/2023/285995A1 |
Embodiments include a method of making a continuous metal-organic framework membrane, the method including contacting a rare earth- or zirconium-containing compound, an acid, a solvent, and optionally water sufficient to form a hexanucle...
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WO/2023/284397A1 |
A method for preparing a polyamide composite membrane by means of steam-assisted electrostatic spraying, which method comprises the following steps: S1, adjusting the relative humidity of the ambient environment of an electrostatic spray...
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WO/2023/285434A1 |
The invention regards a method for separating one or more agents from a medium, comprising the steps of: a) providing a feed of the medium, b) separating the feed by use of a membrane, wherein the membrane comprises silicon carbide,where...
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WO/2023/285641A1 |
The invention regards a method of preparing a membrane filter, comprising the steps of: a) providing a support comprising at least one carbide, b) preparing a metal oxide sol, c) adding and mixing titania particles with the sol, thereby ...
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WO/2023/287628A1 |
In an aspect, provided herein is an improved thin-film composite membrane and gas-separation processes using the composite membrane. The composite membrane incorporates a gutter layer from a polymer material selected from a substituted p...
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WO/2023/286417A1 |
This dispersant is intended to be added to water of interest that contains at least one protein/peptide before the treatment of the water with a selective permeable membrane, the dispersant comprising a polymer that contains at least one...
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WO/2023/280850A1 |
The present invention discloses a method for producing an organic functionalized solid inorganic substrate, a surface of the inorganic substrate comprising a hydroxide and/or an oxide comprising an element M, the element M being a metal ...
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WO/2023/280191A1 |
The present invention belongs to the technical field of membranes, and in particular relates to a polyamide composite reverse osmosis membrane and to a preparation method thereof. The polyamide composite reverse osmosis membrane provided...
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WO/2023/281935A1 |
A controller (41) of a carbon dioxide separation and recovery device (31) according to the present invention controls a separation part temperature regulator (6), a temperature and humidity regulator (10) and a recovery pump (15) so that...
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WO/2023/277203A1 |
The present invention provides a carbon dioxide capture process for combustion exhaust gas to which a dehumidification process by a membrane dehumidifier is linked, the carbon dioxide capture process comprising: (I) a step for supplying ...
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WO/2023/274967A1 |
The invention relates to a method for coating a mass transfer device (1) or the product precursor (1') thereof, in which at least one membrane (2a), preferably a porous membrane (2a) is arranged in a chamber, wherein the at least one mem...
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WO/2023/276781A1 |
This method for restoring the desalination performance of a reverse osmosis membrane comprises a washing step for circulating a washing solution and bringing the washing solution into contact with a reverse osmosis membrane, and a restor...
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WO/2023/274718A1 |
A gas separation membrane comprising the following layers: (i) a support layer; (ii) a buffer layer; (iii) a discriminating layer; (iv) optionally a fluorinated polymer layer; and (v) optionally a protective layer; wherein: (a) the buffe...
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WO/2023/277033A1 |
The present invention provides: a forward osmosis membrane which achieves good water permeability, good rejection performance and good resistance against the counter pressure at the same time; and a method for producing a forward osmosis...
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WO/2023/276614A1 |
A forward osmosis membrane comprising a support membrane and an isolative function layer, wherein: the support membrane is equipped with at least a porous support body; the isolative function layer is provided on the porous support body;...
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WO/2023/276642A1 |
Provided is a forward osmosis membrane module composed of a plurality of hollow-fiber forward osmosis membranes. The forward osmosis membranes are each provided with a separation function layer on a surface of a hollow-fiber support memb...
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WO/2023/274750A1 |
The present invention relates to a method for recovery of selectivity of a polyelectrolyte multilayer membrane thereby restoring the retention capability of the polyelectrolyte multilayer membrane. The present invention further relates t...
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WO/2023/274819A1 |
The present invention relates to a composite material which is suitable both for mechanical filtration and for chemical/selective binding/repulsion/exclusion of substances from solutions. The present invention also relates to the use of ...
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WO/2023/276483A1 |
This forward osmosis membrane has a support membrane, and a separation functional layer on the support membrane. The support membrane has a porous support body. After water has been positioned on the separation functional layer side and ...
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WO/2022/270495A1 |
Provided is a reaction system capable of synthesizing an intended product with a high yield while avoiding denaturing of a heat-sensitive compound, by removing byproducts without applying heat and without using a solid adsorbent material...
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WO/2022/268146A1 |
The present application relates to a polyimide random copolymer having a structure as represented by formula (I). The present application also relates to a method for preparing the polyimide random copolymer, a film prepared from the pol...
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WO/2022/270999A1 |
The present invention relates to: a separation membrane with excellent fouling resistance which, by coating the surface of a support with a polymer solution including a hydrophobic polymer, a hydrophilic polymer, and a sulfonated polymer...
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WO/2022/263741A1 |
The invention relates to a method for injecting ceramic particles into a fibrous structure (10) comprising the placement of a fibrous structure (10) in a mold (110), the injection, through one side, of a first suspension comprising a pow...
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WO/2022/261703A1 |
The present invention relates to a filter and a method of making a filter. The filter includes a porous substrate and a graphene oxide membrane and can be used to filter fluids.
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WO/2022/261701A1 |
The present invention relates to a filter and a method of making a filter. The filter includes a porous substrate and a graphene oxide membrane and can be used to filter fluids. The graphene oxide membrane includes a crosslinking additiv...
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WO/2022/265104A1 |
In the present invention, a separation membrane (31) in a concentrator (2) includes a cellulose-acetate-based substrate, and a hole diameter retention agent with which the substrate is coated. The liquid surface rise value of the separat...
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WO/2022/261706A1 |
Disclosed herein is a phenolic-graphene oxide composition comprising phenolic-graphene oxide having a carbon to oxygen (C:O) ratio of 2.1 or greater and 5 or less.
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WO/2022/266136A1 |
In summary, the disclosure provides certain membranes useful as filter materials in the removal of metal ions, metal particulates, and/or organic contaminants from liquid compositions, in particular liquid compositions used in the microe...
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WO/2022/264745A1 |
Provided is a carbon dioxide separation, collection, and utilization system comprising: a regeneration unit which generates, from a solid material that has absorbed or adsorbed carbon dioxide, a gas containing the carbon dioxide and whic...
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WO/2022/258745A1 |
The present invention relates to a method for detecting filter defects on immersed water filters (1) by means of a pressure integrity test. The method is characterized in that the pressure integrity test is started in a state, in which a...
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WO/2022/258261A1 |
The invention relates to a folded filter medium (6) for a filter element (3) comprising a cellulose substrate (29) impregnated with phenolic resin (30) and an ePTFE layer (31) disposed on the cellulose substrate (29).
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WO/2022/261091A1 |
A composite that includes graphene and an interfacially-polymerized polyamide, where the composite is in the form of a self-supporting membrane having a graphene side opposite to a polyamide side, or the composite is in the form of a mic...
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WO/2022/254018A1 |
A continuous liquid-liquid phase separator (100) comprising a porous insert (101) housed concentrically within a non-permeable outer tube (102), the outer tube (102) having an inside surface (103), and wherein the configuration of the ou...
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