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WO/2023/035556A1 |
A forward osmosis membrane and a preparation method therefor. The forward osmosis membrane has a modified membrane structure comprising a hydrophilic supporting grid and a hydrophilic polymer membrane layer mixed with an antioxidant. The...
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WO/2023/037772A1 |
A water treatment system (1) comprising: a reverse osmosis membrane separation device (2) for separating to-be-treated water (d0) into primary concentrated water (d1) and first clean water (c1) by means of a reverse osmosis membrane; and...
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WO/2023/033069A1 |
The present invention is a concentration method for concentrating, before performing analysis using an analysis device, an analysis solution that includes an analysis solute and an analysis solvent. The concentration method is based on p...
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WO/2023/028654A1 |
The disclosure provides methods of removing aggregate from a composition comprising a protein, an aggregate of the protein and a liquid carrier. The method involves subjecting the composition to one or more filtering steps comprising pas...
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WO/2023/031041A1 |
Filter holders (301, 401) and membranes (307, 407, 720) are provided that can be included within a bioreactor bag system (303, 305, 403, 405). The filter holders and membranes (307, 407, 720) include features (332, 432) that allow incorp...
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WO/2023/028678A1 |
Nano retention valves formed by perforated zink films based on sequences of tungsten grids with meshes increasing with a progression ratio of 10, with the holes obstructed by benzene molecules, complemented by a benzene retention filter,...
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WO/2023/032744A1 |
The present invention provides a separation function layer in which leakage of ionic liquid is minimized and which offers improved strength. A separation function layer 1 according to the present invention comprises: an ionic liquid L; a...
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WO/2023/032776A1 |
Provided is an anion exchange membrane that has low electrical resistance when performing electrodialysis and has excellent selective permeability for monovalent anions, without an increase in manufacturing costs. Also provided is a manu...
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WO/2023/026783A1 |
The present invention provides a gas separation system suitable for efficiently separating a mixed gas. The gas separation system 100 according to the present invention comprises a first separation membrane 11 that separates a mixed gas ...
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WO/2023/025758A1 |
A gas separation membrane (GSM) comprising: (i) a porous substrate; and (ii) a discriminating layer; wherein the discriminating layer has an average thickness of 0.05 to 4.9 µm, a sulphur content above 0.001% relative to the total numbe...
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WO/2023/025757A1 |
A gas separation membrane (GSM) comprising: (i) a porous substrate; and (ii) a discriminating layer; wherein the discriminating layer is obtainable by curing a composition comprising a curable copolymer, wherein the curable copolymer has...
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WO/2023/026973A1 |
The present invention addresses the problem of providing a spunbonded nonwoven fabric in which bleed-through and membrane separation do not occur during membrane-formation processing and that has dimensional stability and mechanical stre...
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WO/2023/022126A1 |
This gas separation membrane is composed of a composite material containing silica nanoparticles and a polymer, wherein: the silica nanoparticles are surface functional group-modified silica nanoparticles which have been surface-treated ...
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WO/2023/023280A1 |
Described are membranes for separating olefins from a mixture that includes olefins and non-olefins. The membrane includes polymers and metal ions associated with the polymers. The metal ions mediate the transport of the olefins through ...
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WO/2023/022421A1 |
The present invention relates to a tricot filtration fabric and a method for manufacturing same and, more particularly, to a tricot filtration fabric with which there is no release of heavy metals such as Sb, Co, or the like, and a metho...
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WO/2023/022084A1 |
The present invention provides a fluid separation membrane which has a fibrous porous support layer coated on the surface with a separation function layer, a particle layer being at least partially interposed between the porous support l...
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WO/2023/017786A1 |
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/2023/018606A1 |
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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