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Matches 501 - 550 out of 20,614

Document Document Title
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.  
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 ...  
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...  
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 ...  
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 ...  
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...  
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...  
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.  
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 ...  
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...  
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...  
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...  
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.  
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...  
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...  
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: (...  
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...  
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...  
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, ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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.  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  

Matches 501 - 550 out of 20,614