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WO/2024/033429A1 |
The present invention relates to side-chain functionalized polymers and copolymers and their use as alkaline anion exchange membrane materials, for example in alkaline water electrolyzers, fuel cells or flow batteries.
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WO/2024/029162A1 |
Provided is a method for operating a reverse osmosis membrane device which has a reverse osmosis membrane element and in which treated water is obtained by passing water to be treated that contains a scale component through the reverse o...
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WO/2024/030037A1 |
A multifunctional clay based ceramic membrane includes halloysite nanotube (HNT) at a first weight percent, alumina at a second weight percent, and a pore forming agent at a third weight percent. The first weight percent is greater than ...
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WO/2024/024903A1 |
This substrate for a liquid filter includes a microporous polyolefin membrane, wherein: the average value of pore diameters of the microporous polyolefin membrane is 1 nm-50 nm; the average water flow rate value of the microporous polyol...
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WO/2024/024135A1 |
This purge device comprises: purge piping that is connected to a condenser and that purges mixed gas, which includes refrigerant gas and non-condensable gas, from the condenser; a separation membrane that is provided to the purge piping ...
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WO/2024/023458A1 |
The present invention relates to a method for purifying an aqueous hydrogen peroxide solution, comprising at least one treatment on a reverse osmosis membrane and at least one electrodeionisation treatment. The invention also relates to ...
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WO/2024/018000A1 |
Organic-inorganic hybrid materials using lignin as the organic phase for the synthesis of thin films are described. These hybrid materials are prepared through the known sol-gel method whereby a metal-oxide precursor and alkoxysilane fun...
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WO/2024/016671A1 |
A polymeric nanofiltration membrane, and the preparation therefor and a use thereof. The polymeric nanofiltration membrane contains hydrophilic nano composite material nitrogen-doped hollow porous carbon spheres. A preparation process fo...
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WO/2024/017120A1 |
A composite palladium-based alloy material, a preparation method therefor, and a use thereof. The composite palladium-based alloy material comprises Pd and a group IB metal; and in an XRD graph of the composite palladium-based alloy mate...
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WO/2024/019034A1 |
Provided is a hollow fiber membrane containing polyether sulfone, said hollow fiber membrane having a non-uniform structure in the thickness direction, wherein the gradient index, which is a ratio of the average pore diameter on the oute...
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WO/2024/018217A1 |
The present invention relates to laminate membranes for filtration of solutes. The membranes comprise graphene oxide and polyvinyl amine. The invention also relates to methods of reducing the amount of solutes in a mixture using said mem...
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WO/2024/012122A1 |
A high-degassing polyolefin hollow fiber membrane, a preparation method therefor, and the use thereof in removing oxygen in ultrapure water. The polyolefin hollow fiber membrane comprises a main body, one side of the main body being an i...
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WO/2024/012121A1 |
A polyolefin hollow fiber membrane for asymmetric degassing, a preparation method therefor, and use thereof in removing oxygen and carbon dioxide from ultrapure water. The polyolefin hollow fiber membrane comprises a main body; one side ...
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WO/2024/013443A1 |
The present invention relates to a method for purifying 1,1,1,2,3,3-hexafluoropropane from a mixture comprising 1,1,1,2,3,3-hexafluoropropane and at least one contaminant selected from the group consisting of hydrogen, nitrogen and oxyge...
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WO/2024/015277A1 |
Ion exchange membranes and materials including silica-based ceramics with ion exchange functional groups and hydrophobic groups, and associated methods, are provided. In some aspects, ion exchange membranes that include a silica-based ce...
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WO/2024/014285A1 |
The present invention provides a new separation membrane that is suitable for separating an acidic gas from a gas mixture containing the acidic gas. A separation membrane 10 according to the present invention is provided with a separatio...
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WO/2024/013442A1 |
The present invention relates to a method for purifying chlorotrifluoroethylene from a mixture comprising chlorotrifluoroethylene (CTFE) and a hydrofluoroolefin; said method comprising a step (a') of bringing said mixture into contact wi...
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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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