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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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WO/2022/078785A1 |
The present disclosure relates to an anticoagulant-coated microporous hollow fiber membrane showing reduced thrombo- genicity. The disclosure further relates to a method for producing the membrane and a filtration and/or diffusion device...
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WO/2022/077562A1 |
Provided are a metal-organic framework material separation membrane and a method for preparing a metal-organic framework material separation membrane. The metal-organic framework material separation membrane comprises a base membrane and...
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WO/2022/078900A1 |
A process for the manufacture of a sulfonated polyarylene(ether)sulfone comprising feeding of a solution (S1) comprising a sulfonated polyarylene(ether) sulfone and sulfuric acid into a tooth rim dispersion machine, wherein the solution ...
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WO/2022/079676A1 |
The present disclosure relates to a method of preparing ceramic filtration membranes with a low defect rate and improved filtration performances. The ceramic filtration membranes have a layered structure, wherein the layers are concerted...
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WO/2022/073407A1 |
Provided by the present invention is a method for preparing a porous polymer semi-permeable membrane: in a solvent which can dissolve both, dissolving and mixing a hydrophobic polynorbornene polymer with a hydrophilic small molecule cros...
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WO/2022/076249A1 |
Described are filter membranes, related systems, and related method useful for producing purified (e.g., ultrapure) water, including membranes, systems, and methods of preparing purified water that will be useable in processes of manufac...
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WO/2022/075981A1 |
The present disclosure describes fluid-wicking membranes, methods of making fluid-wicking membranes, and flow assay membranes. In one example, a fluid-wicking membrane can include a substrate and a porous coating layer over the substrate...
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WO/2022/073999A1 |
A biocompatible polymeric membrane includes pores (106) defined between two material layers, where the first membrane material layer (101) includes strips, and the second membrane material (104) binds to each of the plurality of first me...
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WO/2022/073323A1 |
A preparation method for a CHA-type zeolite molecular sieve membrane. A gel method is adopted to assist in crystallization, the surface of a porous carrier is sequentially coated with a large-seed crystal solution and a small-seed crysta...
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WO/2022/071122A1 |
The purpose of the present invention is to provide a polyamide porous membrane which improves liquid transmission performance. A polyamide porous membrane having a dense layer formed on one or more surfaces thereof, said membrane havin...
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WO/2022/071047A1 |
In the past, fibrous separation membranes having separation layers that have inorganic materials as main components have been presented with problems in that, due to the effects of stress caused by stretching, contraction, etc., during u...
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WO/2022/071123A1 |
A purpose of the present invention is to provide a nanofiltration membrane that has a molecular weight cut-off of 200-1000, has a superior permeated liquid quantity with regard to ethanol, and can be suitably used as an organic solvent n...
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WO/2022/069386A1 |
A membrane comprising an anion exchange layer (AEL) and a cation exchange layer (CEL) wherein the CEL is obtainable by a process comprising curing a curable composition comprising a compound of Formula (I): Formula (I) wherein: X is is o...
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WO/2022/072466A1 |
The disclosure is directed to removal of metal contaminants from fluids, as well as ligand-modified filter materials useful for carrying out such methods. The filters and methods of this disclosure are particularly effective for removal ...
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WO/2022/071027A1 |
A method for treating wastewater containing an organic substance, the method comprising subjecting the wastewater containing an organic substance to a filtration separation treatment with an oil-repellent separation membrane and subseque...
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WO/2022/071153A1 |
In this method for treating oil-containing drainage water, concentrated water is obtained by treating oil-containing drainage water with a reverse osmosis membrane to separate oil and salt in the oil-containing drainage water, and evapor...
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WO/2022/071052A1 |
The present invention addresses the problem of providing a porous carbon fiber that is suitable for a support body for various gas separation membranes, with which it is possible to suppress adhesion between the separation membranes, the...
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