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WO/2018/161396A1 |
A full-alicyclic polyamide nanofiltration membrane and a preparation method therefor. The method comprises: by using a sedimentation method or a rotary coating method, alternately and evenly coating a porous support membrane with at leas...
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WO/2018/163757A1 |
This cell filtration filter for filtering cells is provided with a metallic porous membrane having a plurality of through-holes passing through a first main surface and a second main surface which face each other, wherein the metallic po...
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WO/2018/104498A9 |
The invention relates to a method for producing a hollow fibre membrane bundle from a plurality of polysulphone-based and PVP-based hollow fibre membranes, involving: providing a spinning solution comprising a material based on polysulph...
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WO/2018/161116A1 |
Continuous permeable graphene films having 2 or more layers of graphene and wherein nanochannels or nanopores extend through said film. Each nanochannel is comprised of a fluidly connected series of gaps between edge mismatches of adjace...
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WO/2018/157959A1 |
The present invention relates to a method of producing block copolymer membranes in flat sheet geometry having a surface morphology comprising ordered, isoporous nanopores. The method comprises providing a polymer solution of at least on...
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WO/2018/159562A1 |
A gas separation membrane which comprises a gas separation layer that contains a cellulose compound as a constituent material, and wherein the cellulose compound has a repeating unit represented by general formula (1); a gas separation m...
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WO/2018/157941A1 |
The invention relates to a method for producing thin, porous membranes from crosslinkable silicon compositions (S), in which: in a first step, a mixture of the silicon compositions (S) with a pore forming agent (P) and, where appropriate...
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WO/2018/159563A1 |
Provided are a composite separation membrane comprising a porous supporting layer and a separation layer that is disposed on the porous supporting layer and has polymer a1 and polymer b1 as described below, a separation membrane module, ...
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WO/2018/159353A1 |
According to the present invention, a spinning dope is used which is composed of a water-soluble organic solvent solution of a polyphenylsulfone, a hydrophilic polyvinyl pyrrolidone, and an ethylene glycol; and when a polyphenylsulfone p...
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WO/2018/159642A1 |
The present invention addresses the problem of providing: a composite hollow-fiber membrane having high permeability and high membrane strength; and a production method therefor. The present invention pertains to a composite hollow-fiber...
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WO/2018/158943A1 |
The present invention makes it possible to effectively inhibit deterioration of a RO membrane occurring when the oxidation/reduction potential of supply water for the RO membrane is high or when oxidizing substances are included in suppl...
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WO/2018/160871A2 |
Described herein is a graphene and polyvinyl alcohol based multilayer composite membrane that provides selective resistance for solutes to pass the membrane while providing water permeability. A selectively permeable membrane comprising ...
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WO/2018/159554A1 |
A filter that is equipped with a metal porous film in which a plurality of through-holes are provided, and that filters a filtering object contained in a fluid, wherein wave-shaped concavo-convex features are provided in the circumferent...
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WO/2018/160860A1 |
Described herein is a graphene and polyvinyl alcohol based multilayer composite membrane that provides selective resistance for solutes to pass through the membrane while providing water permeability. A selectively permeable membrane com...
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WO/2018/156399A1 |
In one embodiment, a product includes a plurality of carbon nanotubes and a fill material in interstitial spaces between the carbon nanotubes for limiting or preventing fluidic transfer between opposite sides of the product except throug...
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WO/2018/155753A1 |
The present invention relates to a separation membrane, which adsorbs and separates pollutants such as heavy metals in polluted water and, simultaneously, can check the replacement time of the separation membrane by using a change in flu...
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WO/2018/154296A1 |
A process for preparing a membrane comprising applying a composition comprising a polyimide to a gas-permeable support and irradiating the composition with UV-C light source to form a discriminating layer on the support, wherein: (i) the...
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WO/2018/153978A1 |
Spiral wound membrane rolls and modules and methods for making such membrane rolls and modules are described, along with water extraction or water filtrations systems comprising the spiral wound membrane rolls and modules and the use the...
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WO/2018/156731A1 |
Compositions and methods are described for self-assembled polymer materials having at least one of macro, meso, or micro pores.
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WO/2018/152149A1 |
Membranes are provided for use in reverse osmosis applications. Such membranes include a nanofibrous scaffold in combination with a barrier layer. The barrier layer is formed of a polymeric matrix having functionalized cellulose nanofibe...
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WO/2018/151175A1 |
A gas separation membrane that comprises a porous support and a gas separation active layer formed on the porous support, wherein: the gas separation active layer contains a gas separation polymer; the gas separation polymer is a polysac...
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WO/2018/150608A1 |
This permselective membrane has a permselective support membrane and a lipid membrane which is formed on the surface of the support membrane and which includes a channel material, the permselective membrane being characterized in that sa...
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WO/2018/148258A1 |
Composite membranes include a polymer material that is selectively permeable to heavy (C3+) hydrocarbons over methane. The polymer material may be a modified poly(dimethylsilane) having a backbone including dimethylsiloxyl monomers, subs...
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WO/2018/146059A1 |
The present invention relates to a method for the production of a porous ceramic body, the method comprises the following steps: (i) selecting a ceramic powder; (ii) selecting a binder comprising a pre-ceramic polymer; (iii) mixing the c...
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WO/2018/141985A1 |
The present invention relates to a vesicle in a liquid composition comprising an amphiphilic diblock copolymer of the PMOXAa-b-PDMSc-d type as vesicle membrane forming material, further comprising as an additive from about 0.05% to about...
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WO/2018/143664A1 |
The present invention relates to a method for producing a water-treatment separator using hydrogel, and more specifically, to a method for producing a water-treatment separator, whereby water and oil may be separated from a mixture or an...
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WO/2018/142375A1 |
Embodiments of the present disclosure describe polyimide blend compositions, methods of making polyimide blend compositions, methods of using polyimides, membranes including polyimide blends, methods of making membranes including polyimi...
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WO/2018/142904A1 |
A method for modifying a reverse osmosis membrane is provided with which it is possible to regulate the reverse osmosis membrane so as to have a given rejection of non-charged substances. The method, which is for modifying a polyamide-ba...
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WO/2018/141780A1 |
The invention relates to the production of hollow fibre membranes based on a hydrophobic and a hydrophilic polymer which contain a water-insoluble antioxidant. The invention particularly relates to the production of hollow-fibre membrane...
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WO/2018/144847A1 |
A filter membrane includes carbon nanotubes and carbon nitride nanoparticles. Inter-particle atomic interactions between the carbon nanotubes and the carbon nitride nanoparticles bind the carbon nanotubes and the carbon nitride nanoparti...
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WO/2018/141437A1 |
The inventive relates to a cross-linked, non-reinforced cellulose hydrate membrane which is cross-linked with at least two different cross-linking agents, to a method for the production thereof and to the use of the claimed cross-linked,...
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WO/2018/143297A1 |
The present invention pertains to a semipermeable composite membrane having a support film and a separation function layer, wherein, (A) in a semipermeable composite membrane equilibrated under specific conditions, the half value width H...
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WO/2018/144547A1 |
Autonomous localized permeability material systems are provided that can include : a dynamically permeable porous material; and immobilized reagents operatively associated with the porous material in sufficient proximity to trigger a loc...
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WO/2018/138486A1 |
There is described acomposite membrane. The composite membrane is formed of a porous support and a polyamide layer on the support. The polyamide layer comprises graphene oxide quantum dot (GOQD) moieties. The membranes are especially use...
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WO/2018/140950A1 |
Devices and methods are provided that permit efficient and selective separation of liquid biological specimens into at least two constituent components to facilitate subsequent quantitative and qualitative analysis on at least one analyt...
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WO/2018/138434A1 |
The invention relates to silica particles bonded to polymer chains consisting of at least one polymer comprising at least one fluorinated styrene repeating unit comprising at least one proton-conducting group, optionally in the form of a...
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WO/2018/139762A1 |
The present invention relates to a polyketone hollow fiber membrane for membrane distillation and, more specifically, to a polyketone hollow fiber membrane using a membrane distillation method, wherein pores of the polyketone hollow fibe...
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WO/2018/139208A1 |
In view of the foregoing problems, the purpose of the present invention is to provide a nuclear reactor containment vessel vent system having a structure whereby steam in the nuclear reactor containment vessel can be continuously release...
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WO/2018/087289A9 |
Disclosed is a vesicle comprising polystyrene-polyacrylic acid (PS-PAA) block copolymer and an amphiphilic functional molecule. The vesicle is stable even at elevated temperatures and the amphiphilic functional molecule remains active. A...
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WO/2018/135472A1 |
An MFI type zeolite membrane to be formed on a porous inorganic oxide substrate, wherein, in an X-ray diffraction pattern obtained by X-ray diffractometry measurement using CuKα ray as an X-ray source, the intensity of a diffraction pea...
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WO/2018/135999A1 |
This invention relates to a hydrophilic polymer and membrane for oil-water separation. More particularly, this invention relates to a super hydrophilic polymer and membrane with zwitterionic property for oil-water separation, and method ...
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WO/2018/135252A1 |
A semipermeable membrane comprises a low water absorbency support that has a lattice structure and is semipermeable in a liquid phase. A cell culturing device is provided with said semi-permeable membrane at least at a portion thereof. A...
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WO/2018/136337A2 |
Devices and methods for electrode diaphragms are presented in which a hydrophobic polymeric diaphragm is pretreated with ions present in an electrolyte under conditions that are effective to increase wettability of the diaphragm. It is c...
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WO/2018/130394A1 |
A process for removing metal ions from aqueous systems is disclosed comprising the treatment of the aqueous system with a membrane M, wherein the membrane M has a molecular weight cut-off above 3,000 Da and comprises A.) a carrier membra...
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WO/2018/131707A1 |
A method for producing a separation membrane in which: a zeolite film is formed on an inorganic oxide porous substrate; and the main component of a zeolite formation part of the substrate is amorphous SiO2. This method for producing a se...
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WO/2018/131697A1 |
This gas separation membrane contains a polyimide which has a repeating unit represented by formula (1). This gas separation membrane has excellent gas separation performance in a separation temperature range of from 35°C to 70°C (incl...
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WO/2018/124184A1 |
Provided is a manufacturing method for a concentrated water-containing liquid in which a water-containing liquid has been concentrated, the method comprising: a preparing step of preparing a water-containing liquid (51), and a concentrat...
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WO/2018/122308A1 |
Method of preparing a porous membrane, comprising forming a homogeneous solution comprising a polymer, a solvent and at least 0.5% by weight of an additive. The solution is cast to form a cast layer, and the cast layer is exposed to a va...
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WO/2018/123515A1 |
Provided are a method, and an evaluation device therefor, for deriving an actual separation coefficient that indicates the performance of an actual separation membrane, while maintaining the advantage of simplicity of an evaluation means...
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WO/2018/124103A1 |
The purpose of the present invention is to provide a composite semi-permeable membrane capable of achieving excellent fouling resistance over a long period of time. The present invention pertains to a composite semi-permeable membrane co...
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