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WO/2024/007767A1 |
An asymmetric cellulosic filter membrane used for virus removal and a preparation method therefor. The filter membrane comprises a main body, wherein one side surface of the main body is a first outer surface, and the other side surface ...
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WO/2024/011166A1 |
Charged ultrafiltration membranes are synthesized by thermally initiated free-radical polymerization of sodium styrene sulfonate in the pores of an ultrafiltration precursor membrane. The resulting grafted chains of the charged UF membra...
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WO/2024/009871A1 |
Provided are a wastewater treatment system and a wastewater treatment method, whereby it becomes possible to decrease the amount of a persistent water-soluble polymer in wastewater while preventing the increase in cost. The wastewater tr...
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WO/2024/003141A1 |
The present invention relates to tangential flow filtration/chromatography systems, the use thereof, and methods of separation, particularly simultaneously separating one or more target molecules from cells, cell debris and further conta...
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WO/2024/003351A1 |
The present invention pertains to the use of polymer additive comprising zwitterionic moieties in membranes based on vinylidene fluoride (VDF) polymers for increasing the flux of said membranes. Said composition comprising vinylidene flu...
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WO/2024/003781A1 |
The present invention relates to a separator for a battery comprising: a porous glass fiber substrate having a first major surface and an opposing second major surface, and particles of a negatively charged polymer, wherein the particles...
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WO/2024/006133A1 |
The invention discloses a dope solution for membrane fabrication comprising a blend of TEP with NMP as a solvent system in a process to make PVDF membranes, where PVDF resin comprises a homopolymer resin, or a copolymer of VDF and at lea...
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WO/2024/003352A1 |
The present invention pertains to the use of polymer additive comprising zwitterionic moieties in membranes based on vinylidene fluoride (VDF) polymers for decreasing transmembrane pressure at constant flux of said membranes. Said compos...
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WO/2024/006860A1 |
Systems and methods for catalyzed asymmetric bipolar membranes are described. Catalyzed asymmetric bipolar membranes can sustain desired current densities under low operational voltage for prolonged time periods. Catalyzed asymmetric bip...
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WO/2024/002382A1 |
Disclosed in the present invention is a preparation method for a chelating membrane for purifying wet electronic chemicals, comprising the following steps: carrying out hydrophilic treatment on a porous PTFE membrane to obtain a hydrophi...
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WO/2024/003246A1 |
The present invention relates to a filter module comprising an ester-based membrane and at least one boundary member, wherein the peripheral region of the membrane is connected to the at least one boundary member, and wherein the surface...
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WO/2023/248020A1 |
A separation article is provided that is useful for separation of complex samples that contain materials having different sizes and optionally having different ionic groups. The separation articles include a plurality of block copolymers...
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WO/2023/247987A1 |
The present invention relates to filtration membranes useful in metal ion separation, gas separation and water purification/desalination. In particular, the present invention relates to a new type of membrane including metal organic fram...
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WO/2023/244741A1 |
The disclosure provides certain block copolymer membranes which are useful as components of filters for liquid purification and/or filtration. The block copolymers of the disclosure are subjected to cross-linking reactions to raise the o...
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WO/2023/244892A1 |
Methods for treating a surface of a microporous membrane are provided, comprising: contacting the membrane with a treatment composition to form a silane-treated membrane; subjecting the silane-treated membrane to conditions sufficient to...
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WO/2023/244736A1 |
Described are porous polymeric filter membranes that have a multi-asymmetric pore structure through a thickness of the membrane and to methods of making and using the porous polymeric filter membranes.
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WO/2023/241689A1 |
A porous aminated organic fluorine capsule, a preparation method therefor and a use thereof. The porous aminated organic fluorine capsule comprises a porous organic fluorine shell, and an aminated phenolic resin is filled in the organic ...
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WO/2023/242329A1 |
The current invention relates to a method for manufacturing one or more carriers5 with one or more active pharmaceutical ingredients, wherein said method comprises mixing at least a solution comprising one or more active pharmaceutical i...
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WO/2023/242637A1 |
A sulfonated poly(phenylene ether) comprises phenylene ether repeating units and has a degree of sulfonation of 20 to 50% and a sulfonyl chloride (-SO2Cl):sulfonic acid (-SO3H) molar ratio of less than or equal to 0.06. The sulfonated po...
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WO/2023/242412A1 |
The present invention relates to a filter system, which can be used as a clarification filter/depth filter for cell culture clarification before chromatography and/or ultrafiltration for protein purification, as well as to a method of se...
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WO/2023/237523A1 |
The present invention relates to a method for coating a preferably porous and/or hydrophilic hollow-fiber membrane (1) with a coating material (B), the method comprising the steps of: providing the hollow-fiber membrane (1) that has a co...
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WO/2023/238557A1 |
This method for operating a separation device using a separation membrane comprises: a process (step S12) for performing normal operation in which a mixed gas including a plurality of kinds of gases is supplied to the separation membrane...
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WO/2023/237365A1 |
The present invention relates to a process for the preparation of a membrane (M) containing a sulfonated polyarylenesulfone polymer (sP) and at least one further polymer (fP), the membrane (M) obtained by the inventive process, a filtrat...
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WO/2023/237525A1 |
The present invention relates to a method for coating a preferably porous and/or hydrophilic hollow-fiber membrane (1) with a coating material (B), the method comprising the steps of: providing the hollow-fiber membrane (1) that has a co...
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WO/2023/234415A1 |
The present invention provides a composite semipermeable membrane comprising a porous support layer and a separation functional layer located on the porous support layer, the composite semipermeable membrane having a first surface that i...
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WO/2023/234497A1 |
The present invention relates to a method for producing ginseng extract rich in ginsenosides and to a functional composition containing the ginseng extract produced according thereto. According to the present invention, it is possible to...
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WO/2023/232169A1 |
The invention provides a method for preparing an anion-exchange membrane, comprising the following steps: a) subjecting poly(styrene-block-C2-C4-alkylene-stat-C2-C4-alkylene-block-
styrene) to chloromethylation on the benzene rings in th...
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WO/2023/199204A9 |
A venting composite membrane, a corresponding manufacturing method, and a component obtained with the same are disclosed. The venting membrane includes a supporting woven fabric made of woven polymeric monofilaments, and a membrane attac...
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WO/2023/234738A1 |
The present invention relates to a high flux nanofiltration membrane and a manufacturing method therefor, and, more particularly, to a nanofiltration membrane and a manufacturing method therefor, the membrane using a heat resistant base ...
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WO/2023/231317A1 |
A nanofiltration membrane preparation method, and a nanofiltration membrane prepared thereby. The preparation method comprises the following steps: preparing a casting solution, and solidifying the casting solution on a reinforcing mater...
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WO/2023/231312A1 |
The present disclosure relates to a nanofiltration membrane preparation method, and a nanofiltration membrane prepared thereby. The preparation method comprises the following steps: preparing a casting solution, and curing the casting so...
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WO/2023/225943A1 |
A preparation method for a modified ceramic membrane for treating filter tank backwashing wastewater, relating to a preparation method for a separation membrane. The present invention aims to solve the problem that existing filter tank b...
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WO/2023/229110A1 |
A concentration filter for selectively concentrating a sample, a method for manufacturing the concentration filter, and a sample concentration device are disclosed. The selective concentration filter of the present invention comprises: a...
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WO/2023/227502A1 |
A cation exchange membrane comprising a lithium-ion selective layer and a base layer obtainable by curing a composition comprising a first crosslinking agent comprising a bissulphonylimide group and at least two polymerisable groups and ...
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WO/2023/229371A1 |
The present invention provides an ultrafiltration hollow fiber membrane manufactured using a dope solution containing a polysulphone resin and either a glycol resin or a polyvinyl resin and a manufacturing method therefor. The manufactur...
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WO/2022/226329A9 |
Disclosed are crosslinked copolymer network, comprising a copolymer, comprising a plurality of zwitterionic repeat units, and a plurality of a first type of hydrophobic repeat units; a plurality of crosslinking units; and a plurality of ...
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WO/2023/228193A1 |
This invention relates to a device comprising polyethylene sulfone (PES) and additional suitable polymers with high load of Prussian blue analogue nanoparticles for removal of monovalent or divalent cation contaminants, optionally doped,...
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WO/2023/229390A1 |
The present invention relates to a thin-film composite membrane for water treatment and a method for manufacturing same. A selective layer of the thin-film composite membrane according to the present invention is based on cross-linked qu...
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WO/2023/224868A2 |
Membranes and related systems and methods for separation of components in liquids are generally described. The membrane may include particles in a polymer matrix (e.g., a polyamide layer). The particles may include metal-organic framewor...
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WO/2023/224879A1 |
This disclosure generally relates to polymeric materials designed to create membranes with improved selectivity and fouling resistance, with potential capabilities that include tunable effective pore size that can be reduced to, for exam...
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WO/2023/225338A1 |
Described are porous polymeric membrane composites that contain crosslinked fluorinated ionomer at a surface of a microporous membrane support, and related methods.
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WO/2023/224973A1 |
Carbon-doped layers and methods of making and using same. In various examples, a carbon-doped layer is porous. In various examples, a carbon-doped layer is a carbon-doped metal oxide and/or metal layer. In various examples, a carbon-dope...
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WO/2023/222117A1 |
A separation membrane, a preparation method therefor and a use thereof in magnesium and lithium separation. The separation membrane comprises, in sequence, a base material layer, a porous support layer, a polyamide layer and a modificati...
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WO/2023/225217A1 |
The disclosure provides porous membranes capable of removing very small particulates from a liquid composition. In certain embodiments, the porous membranes comprise poly(tetrafluoroethylene), wherein the membrane is at least partially c...
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WO/2023/220203A1 |
A process temperature of at least 30 ℃, and a relative humidity of at least 30%. The natural gas feed stream has a H2S/CO2 ratio of 3 or greater. The process includes feeding the natural gas feed stream from the gas liquid separator to...
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WO/2023/219091A1 |
The purpose of the present invention is to provide: an ammonia separation membrane having a composition that is different from those of conventional ammonia separation membranes; and a method for separating ammonia using this ammonia sep...
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WO/2023/220743A2 |
A carbon dioxide (CO2) selective membrane is disclosed and comprises a support and a selective structure comprising poly[bis((methoxyethoxy)ethoxy)phosphazene] (MEEP) on the support. The CO2 selective membrane exhibits a CO2/N2 selectivi...
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WO/2023/219223A1 |
The present invention relates to a water treatment separation membrane and, more specifically, to a water treatment separation membrane for home use, a manufacturing method therefor, and a separation membrane module comprising same, wher...
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WO/2023/217814A1 |
A surface treatment for a membrane, having a cross-linkable diacrylate solution used to make the cross-linked coating comprises a solution of at least one of 2.4-3.4% Hydroxypropyl acrylate and 1.1-2.1% polyethylene glycol diacrylate; 2....
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WO/2023/217813A2 |
Methods are disclosed for filtering a biological fluid that includes housing a surface treated porous membrane in a filtration device, optionally a virus filtration device, having an input and an output; introducing a biological fluid in...
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