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WO/2020/079713A1 |
The present invention relates to a polymer layered hollow fiber membrane based on poly(2,5-benzimidazole) (ABPBI), ABPBI copolymers and substituted polybenzimidazole (PBI) and a process for preparation thereof.
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WO/2020/080469A1 |
This hollow fiber membrane element, open at both ends, is provided with a core tube having multiple holes in the side, a hollow fiber membrane group comprising multiple hollow fiber membranes arranged around the core tube, and a resin wa...
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WO/2020/080225A1 |
Provided is a porous layered ceramic which can reduce a pressure loss in fluid. The present invention relates to a porous layered ceramic having a first porous layer and a second porous layer in contact with the top of the first porous l...
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WO/2020/076240A1 |
The present invention provides a composite membrane suitable for liquid-liquid filtration/reverse osmosis. The invention also provides a copolymer useful in the composite membrane, the copolymer comprising an anchoring repeating unit and...
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WO/2020/071481A1 |
A method for producing isopropyl alcohol is provided in which propylene is hydrated directly with water to produce isopropyl alcohol, the method including: a distillation step in which crude isopropyl alcohol is distilled; and a filtrati...
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WO/2020/072594A1 |
The present invention relates to a thin-film composite (TFC) membrane composition comprising macrocycles. The invention also relates in part to a method of fabricating a TFC membrane and to a method of using the TFC membrane to separate ...
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WO/2020/073036A1 |
Methods of filtering a feed comprising a liquid or a gas for or during the production of electronics, nanosystems or ultrapure water include filtering said feed using at least one filter assembly, wherein said at least one filter assembl...
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WO/2020/070622A1 |
Embodiments include methods of fabricating a zeolite-like metal-organic framework with an ana-topology (ana-ZMOF) thin film membrane, the methods comprising: (1) modifying a substrate with ana-ZMOF crystal precursors in the presence of p...
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WO/2020/072058A1 |
A method of forming an unsintered biaxially expanded PTFE/thermoplastic polymer composite membrane is provided. The method includes blending fibrillatable polytetrafluoroethylene (PTFE) particles and thermoplastic polymer particles where...
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WO/2020/073035A1 |
Ion exchange membranes for use in electrochemical energy conversion and storage applications include copolymers having a backbone produced from an olefin, such as ethylene, and a cyclic olefin, such as norbomene. Haloalkyl side chains wi...
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WO/2020/073064A1 |
The invention provides a method of producing multi-walled carbon nanotube blended polyvinylidene fluoride (MWCNTs/PVDF) membranes for membrane distillation (MD) treatment of saline water using non-solvent induced phase separation (NIPS),...
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WO/2020/071411A1 |
The present invention provides a composition which contains: an organic compound that has an acid dissociation constant of 5.0-15.0 in an aqueous solution at 25°C; a hydrophilic resin; and a basic compound. With respect to this composit...
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WO/2020/066521A1 |
The present invention pertains to a composite semipermeable membrane provided with: a support film that comprises a base material and a porous support body upon the base material; and a separating-function layer upon the porous support b...
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WO/2020/066298A1 |
A porous and cylindrical support body (11) used for supporting a zeolite film (12) comprises: an inner surface (113) that is substantially formed as a cylindrical surface with a center axis (J1) extending in the lengthwise direction as t...
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WO/2020/065609A1 |
Provided herein is a process for separating alkane isomers from a hydrocarbon mixture in an integrated refining unit, comprising: passing the hydrocarbon mixture through a normal alkane-selective membrane in a single stage to produce a n...
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WO/2020/068925A1 |
Methods of producing an ion exchange membrane support are disclosed. The methods include saturating a polymeric microporous substrate with a charged monomer solution comprising at least one functional monomer, a cross-linking agent, and ...
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WO/2020/067999A1 |
There is provided a membrane comprising a plurality of pore channels coated with an oil layer for selectively allowing movement of gaseous water vapor across the membrane but substantially preventing movement of liquid water across the m...
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WO/2020/068778A1 |
A process is provided of making facilitated transport membrane comprising a relatively hydrophilic, very small pore, nanoporous support membrane, a hydrophilic polymer inside the very small nanopores on the skin layer surface of the supp...
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WO/2020/059752A1 |
This porous hollow fiber membrane contains polyethersulfone or polysulfone, has an inner diameter of 300 to 600 µm, a thickness of 70 to 200 µm, and a fractional molecular weight of 10,000 or less, comprises a plurality of micropores w...
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WO/2020/058666A1 |
Membranes having an average pore size of 5 nm to 5,000 nm and a porosity of 10% or more, said membrane being obtainable by a process comprising curing a composition comprising: (i) a cross-linking agent comprising at least one anionic gr...
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WO/2020/058154A1 |
The invention relates to a CMS membrane, characterised in that it is obtainable by pyrolysis of a polyimide formed from the monomers 1-{4-aminophenyl)-1,3,3-trimethyl-2H-inden-5-amine and 5-(1,3-dioxo-2-benzofuran-5-carbonyl-2-benzofuran...
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WO/2020/060907A1 |
Described herein is a crosslinked graphene and biopolymer (e.g. lignin) based composite membrane that provides selective resistance for gases while providing water vapor permeability. Methods for making such membranes, and methods of usi...
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WO/2020/059769A1 |
Provided are a composite forward osmosis membrane and a membrane module including same. The composite forward osmosis membrane reduces salt back-diffusion and has high water-permeability, or is made of readily available materials and can...
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WO/2020/059344A1 |
A hollow-fiber membrane according to one aspect of the present disclosure comprises a porous, tube-form filtration layer having a fibrous skeleton, the filtration layer having polytetrafluoroethylene as a main component, the average hole...
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WO/2020/058665A1 |
Membranes having an average pore size of 5 nm to 5,000 nm and a porosity of 15% or more, said membrane being obtainable by a process comprising curing a composition comprising: to 64 wt% of (i) a cross-linking agent comprising at least o...
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WO/2020/053079A1 |
A polyarylene ether comprising in polymerized form A) at least one tri- or higher functional compound and B) isosorbide, isomannide, isoidide or a mixture thereof, wherein the polyarylene ether is a polyarylene ether sulfone or a polyary...
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WO/2020/056414A1 |
Membranes, methods of making the membranes, and methods of using the membranes are described herein. The membranes can comprise a support layer, and a selective polymer layer disposed on the support layer. The selective polymer layer can...
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WO/2020/055867A1 |
A method for treating a surface of a microporous membrane includes: (1) contacting at least one surface of the membrane with a treatment composition including: (a) an acrylic polymer prepared from a mixture of vinyl monomers including: (...
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WO/2020/053078A1 |
A polyarylene ether copolymer comprising i) at least one block comprising in polymerized form A) isosorbide, isomannide, isoidide or a mixture thereof and B) at least one unit comprising at least one difunctional compound comprising at l...
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WO/2019/194783A9 |
Disclosed herein are multi-layer structures comprising a first composite layer disposed over a second composite layer, wherein the first composite layer contains a first active material dispersed in a first polymer containing an elastome...
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WO/2020/050282A1 |
A feedstock solution flow concentration system, which has a first step for causing counterflow or parallel flow of a feedstock solution flow a, which contains a solute and a solvent b, and a draw solution flow d via a forward osmosis mem...
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WO/2020/049884A1 |
Provided are a lithium ion permselective membrane having excellent membrane formability and Li+ selectivity, a lithium ion recovery device and a lithium-containing compound recovery device having excellent Li+ selectivity, and a lithium ...
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WO/2020/051229A1 |
The present disclosure is concerned with negatively charged filtration membranes and methods of making and using same, for example, in the concentration and/or filtration of dairy products. This abstract is intended as a scanning tool fo...
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WO/2020/050617A1 |
The present invention relates to a polyethylene terephthalate ultrafiltration membrane and a method for producing same and, more particularly, to a polyethylene terephthalate ultrafiltration membrane and a method for producing same, the ...
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WO/2020/045074A1 |
This separation membrane sheet selectively transmits a specific fluid component, and includes a first porous layer and a resin composition layer layered on the first porous layer. The resin composition layer has a filtered residue fracti...
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WO/2020/046405A1 |
Polymer membranes include a polymer material that is selectively permeable to acidic gases over methane in a gas stream, such as natural gas. The polymer material may be a polymer membrane comprising a fluorinated polytriazole polymer. T...
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WO/2020/041226A1 |
A cross-linked polyimide of the reaction product of a crosslinking agent and a polyimide. The cross-linking agent having at least two cross-linking moieties and the polyimide has a plurality of polyimide chains having an aryl constituent...
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WO/2020/039452A1 |
An AEAPTMS (N-[3-(Trimethoxysilyl) propyl] ethylenediamine)/aminoethyl-aminopropyltrimethoxysilanepolya
crylonitrile (PAN) based electrospun nanocomposite materialfor CO2 adsorption and air purification is proposed. The material has CO2 ...
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WO/2020/040129A1 |
[Problem] To provide a composite semipermeable membrane having high permeability and separability. [Solution] Provided is a composite semipermeable membrane which is for water treatment, and comprises a micro-porous support membrane and ...
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WO/2020/039676A1 |
The present disclosure explains a water treatment device and an ion concentration adjusted water manufacturing method which allow ion concentration of water to be adjusted at low cost by a simple procedure. The water treatment device is ...
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WO/2020/039066A1 |
In a first aspect, the present invention relates to a porous composite structure (100), comprising: (i) a porous substrate (200), furnished with protrusions (230) on a first surface thereof and being free of said protrusions (230) on an ...
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WO/2020/037246A1 |
The present disclosure is directed to raicroporous ladder polymers containing amine-functionalized monomer segments, amidoxime-functionalized monomer segments, or a combination thereof. Monomer compounds for preparation of the polymers a...
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WO/2020/037058A1 |
A membrane filter is provided. The membrane filter including an ordered functional nanoporous material (OFNM) defining a layer and a membrane support. The layer having a two-dimensional structure and defining a plurality of pores and imp...
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WO/2020/037288A1 |
Provided are methods, devices, and kits for the isolation and enumeration of one or more components of interest within a liquid sample using microslit filter membranes. This disclosure relates to the enumeration of components within a sa...
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WO/2020/032577A1 |
The present invention relates to a water treatment filter assembly and a water treatment filter module including same, and more particularly, relates to a water treatment filter assembly and a water treatment filter module including same...
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WO/2020/032019A1 |
A positive osmosis membrane that is a layered body including a semipermeable membrane, a mesh-form support material having vacancies at a density of 5-2,000/inch, and a porous base material.
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WO/2020/032873A1 |
The present disclosure relates to composite membranes, their method of fabrication and uses thereof. In particular, the present disclosure relates to composite membrane comprising a bulk phase comprising porous particles and a binding ph...
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WO/2020/027580A1 |
The present invention pertains to: a fouling-resistant reverse osmosis membrane; a method for producing same; and a fouling-resistant reverse osmosis module including same, and more specifically, to a fouling-resistant reverse osmosis me...
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WO/2020/026542A1 |
Provided is a separation membrane that exhibits excellent separation performance even for separation of gases. This separation membrane is a separation membrane in which zeolite crystals are supported on a porous base material, and is ch...
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WO/2020/028079A1 |
The disclosure relates to improved composite membranes for use in separating components in a fluid mixture. The composite membrane comprises an isoporous support layer which provides support to a nonporous selective layer of the composit...
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