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WO/2022/123428A2 |
A polymeric membrane. The membrane can include a polymeric membrane made from a polymer selected from an aromatic sulfone polymer, polyamide, cellulose, cellulose acetate, polymethylmethacrylate, polyvinylalcohol, and polyacrylnitril, wh...
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WO/2022/122769A1 |
The present invention relates to a composition for the manufacturing of a porous article, notably a membrane, which comprises a poly(arylene sulphide) and at least one water-soluble salt. The present invention also relates to a method fo...
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WO/2022/125452A1 |
This disclosure provides certain strong cation-modified ion exchange resins and membranes useful for carrying out the removal of metal and metal ion contaminants in fluid compositions. Filtered liquid compositions with significantly redu...
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WO/2022/121102A1 |
Disclosed are a porous polymer-modified metal carbon nanotube composite film, a preparation method therefor and the use thereof. The method comprises the following steps: mixing an acidified carbon nanotube film with a modification liqui...
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WO/2022/123497A1 |
A thermally-crosslinked membrane comprising a poly(1,2,4-triazole)-polymer that includes recurring hydroxyl-functionalized triazole units is described. The polymer has the structure of formula I: (I) wherein Ar describes an aromatic or h...
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WO/2022/126087A1 |
A polyimide material includes a polyimide of Formula (I) wherein A1 and A2 for each occasion independently are selected from a group of tetravalent moieties and B for each occasion independently is selected from a group of divalent moiet...
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WO/2022/121101A1 |
A method for separating dye-containing wastewater based on a porous polymer-modified metal carbon nanotube composite membrane, the method comprising: mixing an acidified carbon nanotube membrane with a modifying solution and then reactin...
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WO/2022/124554A1 |
The present invention relates to a polyamide reverse osmosis membrane having excellent durability and antifouling properties and a method for manufacturing same, the polyamide reverse osmosis membrane comprising: a porous support; a poly...
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WO/2022/125741A1 |
Reverse osmosis membranes resembling graphene oxide formed on the surface of porous substrates and methods for their fabrication are disclosed. The fabrication of these membranes is accomplished through the interfacial polymerization of ...
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WO/2022/120561A1 |
A water-soluble gel membrane having a virus enrichment function and a preparation method therefor and an application thereof. A preparation method for a chitosan water-soluble membrane is specifically disclosed, and comprises the followi...
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WO/2022/118849A1 |
The present invention relates to a gas separation system provided with a specific gas separating membrane unit, wherein: a feed gas pipe is connected to a feed gas inlet of the specific gas separating membrane unit; a permeated gas disch...
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WO/2022/118943A1 |
The present invention is a porous hollow-fiber membrane that includes recycled cellulose, wherein the elastic limit pressure of the porous hollow fiber membrane is 200 kPa or more.
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WO/2022/115438A1 |
Disclosed herein is a porous membrane comprising a porous substrate; a porous ceramic coating disposed on the porous substrate; where an average pore size of pores in the porous substrate are larger than an average pore size of pores in ...
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WO/2022/115385A1 |
Described are porous filter membranes that include two opposed sides, a thickness, and a porous structure between the opposed sides; filter components and filters that include this type of porous filter membrane; methods of making the po...
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WO/2022/114227A1 |
Provided is a hollow fiber membrane module with which breakage of a hollow fiber membrane can be suppressed. In this hollow fiber membrane module, in which both ends of a hollow fiber membrane bundle are accommodated in a housing by way ...
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WO/2022/111625A1 |
The first aspect of the present invention provides a microporous filter cloth. The filter cloth is provided with micropores, the pore diameter of the micropores ranges from 3 µm to 200 µm, the filter cloth can be used to filter a cell ...
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WO/2022/113604A1 |
The present invention provides a liquid separation membrane having an exceptional effect for suppressing fouling of the membrane, and a method for producing the liquid separation membrane. This liquid separation membrane (1) has a subs...
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WO/2022/113019A1 |
The object of the invention is a membrane made of an organic material with pore-forming, anti-inflammatory and anticoagulant properties, characterized in that it has the form of a flat film or a hollow fiber tube and is made of an organi...
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WO/2022/112150A1 |
The present invention relates to a solution comprising at least one sulfone polymer and N-tert.-butyl-2-pyrrolidone, the process of making a membrane and the use of this membrane for water treatment.
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WO/2022/115115A1 |
A composite polyamide reverse osmosis membrane comprising a polyamide layer; where the polyamide layer has a thickness in the range of 50 - 250 nm, and large open spaces (i.e., free volumes); where the open spaces are defined by a ratio ...
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WO/2022/114288A1 |
Provided is a method for manufacturing a carbon fiber coated with silicon carbide. The method for manufacturing a carbon fiber coated with silicon carbide may comprise the steps of: preparing a carbon fiber; coating the surface of the ca...
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WO/2022/109865A1 |
Disclosed is a wastewater deep treater, comprising a treater body, wherein a barrel-shaped filtering assembly is vertically arranged in the treater body, the barrel-shaped filtering assembly divides the treater body into an inner purific...
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WO/2022/107856A1 |
The purpose of the present invention is to provide a porous membrane which has high filtration performance in a process wherein turbidity is removed, by means of membrane filtration, from natural water, domestic waste water, and suspensi...
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WO/2022/107022A1 |
The object of the present invention is polyphenylene oxide based film with crystalline nanoporous phases with surface area equal to or greater than 30 m2/g, preferablygreater than 100 m2/g, and a procedure for the attainment thereof.
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WO/2022/107021A1 |
The object of the present invention are thin films having a thickness equal to or lower than 25 µm, with polyphenylene oxide base with crystalline nanoporous phases or active co-crystalline phases with chain orientation perpendicular to...
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WO/2022/107986A1 |
The present invention relates to a fabric based on biodegradable cellulose and a method for manufacturing same, the method comprising the steps of: preparing a natural cellulose non-woven fabric including a natural biodegradable raw mate...
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WO/2022/109210A1 |
The present invention is directed to surface-treated membranes comprising: (a) a porous polymeric substrate; and (b) a coating layer applied to the substrate. The coating layer is formed from a surface treatment composition comprising: (...
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WO/2022/107795A1 |
A film cleaning solution which contains a solvent and a metal removing agent, wherein: two or more kinds of solvents are contained; and the distance between the Hansen solubility parameter of this film cleaning solution and the Hansen so...
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WO/2022/103091A1 |
Provided are a porous aramid nanofiber thin film, a method for manufacturing same, and a secondary battery comprising same. The method for manufacturing the porous aramid nanofiber thin film comprises forming an aramid nanoseed suspensio...
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WO/2022/104072A1 |
Polymer-based membranes and methods for fabricating membranes are described. The methods include forming a casting solution featuring a polyvinylidene fluoride (PVDF)-based solvent and a polyvinylpyrrolidone (PVP)-based modifying agent, ...
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WO/2022/104089A1 |
Polymer-based membranes and methods for fabricating membranes are described. The methods include forming a casting solution featuring a plurality of titanium dioxide (TiO2) nanoparticles, a polyvinylidene fluoride (PVDF)-based solvent, a...
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WO/2022/103328A1 |
There is provided a method of forming a cross-linked polymeric membrane, the method comprising: contacting a polymeric membrane with a cross-linking solution to form the cross-linked polymeric membrane, wherein the cross- linking solutio...
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WO/2022/095101A1 |
A preparation method for an oil-water separation membrane based on multi-scale cellulose nanofibers. The preparation method comprises the following steps: preparing a filter membrane; preparing a hydrophilic oleophobic agent; and infiltr...
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WO/2022/099253A1 |
An ionically conductive thin film composite (TFC) membrane is described. The low cost, high performance TFC membrane comprises a micropous support membrane, and a hydrophilic ionomeric polymer coating layer on a surface of the microporou...
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WO/2022/096373A1 |
This invention relates to certain microporous articles comprising certain PEDEK-PEEK copolymers, to a method for making said microporous articles, in particular to a method of making microporous articles from a blend comprising said PEDE...
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WO/2022/093212A1 |
Self-wicking assay devices can include a hydrophilic porous substrate for sequential sample fluid flow from a complexing region to a detecting region thereof. The complexing region can include an analyte-complexing compound on the hydrop...
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WO/2022/090975A1 |
The present disclosure relates to a method of preparing oxide and non-oxide ceramic filtration elements with a high abrasion resistance, wherein the process of manufacture allows low sinter temperatures in the presence of atmospheric oxy...
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WO/2022/093040A1 |
A filter housing (1), said filter housing (1) forms a longitudinal axis (91) and comprises: - an inlet end (11) comprising an inlet for a feed liquid and an outlet end (19) comprising an outlet for the feed liquid; - an inlet (16) for a ...
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WO/2022/094026A1 |
Provided are certain polyolefinic membranes which are useful as components of filters for liquid purification. Advantageously, the filter membranes of the disclosure possess greatly reduced concentrations of certain trace metals, thus ma...
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WO/2022/091011A1 |
The present disclosure relates to an acid-base polymer blend membrane comprising at least one first polymer exhibiting acidic groups (A) and at least one second polymer exhibiting basic groups (B), wherein the molar ratio of acidic group...
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WO/2022/092161A1 |
The provided filter pleat pack includes an air filter filtration material provided with a first fluororesin porous membrane and a first air-permeable support layer. The first air-permeable support layer is positioned on the downstream si...
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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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