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Patent Searching and Data


Matches 801 - 850 out of 5,067

Document Document Title
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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,...  
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...  
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...  
WO/2018/134628A1
A filter assembly (2) is disclosed which comprises a filter element (200) for filtering a fluid, and a mount (6) having at least one port (24, 26), Each of the filter element (200) and the mount (6) has interengaging connection formation...  
WO/2018/129859A1
A preparation method, a regeneration method and an application for a chelating microfiltration membrane, relating to the field of heavy metal waste water treatment. A flat sheet membrane is prepared from a polyvinylidene fluoride (PVDF) ...  
WO/2018/132251A1
The present disclosure provides a method of manufacturing a filter, wherein the filter comprises a filter body formed of a porous filtration material and a plastic support structure, the method including performing a first additive manuf...  
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...  
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...  
WO/2018/122315A1
The present invention relates to a method for the at least temporary retention of charged biologically active substances, for example endotoxins, viruses, proteins from liquids, and optional later release for better determination. The pr...  
WO/2018/117287A1
The present invention relates to a method for manufacturing a self-restorable hydrogel-filled separation membrane for a water treatment. The separation membrane manufactured by the present invention does not require a separate maintenanc...  
WO/2018/115268A1
The present invention is related to a polymer membrane for the selective extraction of cobalt (II) ions as well as a method for extracting cobalt (II) ions using said polymer membrane.  
WO/2018/112781A1
A reverse osmosis membrane and a method of processing the same are disclosed. The method includes forming a polyamide material on a microporous membrane material by reacting a polyfunctional amine with a polyfunctional acid chloride on t...  
WO/2018/112202A1
One or more polymeric hollow fiber membranes are pyrolyzed to form one or more hollow fiber CMS membranes by directing a flow of pyrolysis gas through a polymeric membrane cartridge (including a porous center tube around which one or mor...  
WO/2018/107648A1
A method for preparing a composite metal oxide hollow fibre, specifically a method for obtaining a composite metal oxide hollow fibre from composite metal oxide raw material by means of directly performing phase inversion and a one-step ...  
WO/2018/104455A2
A hydrogen permeable membrane device is provided that includes a porous ceramic layer having a material that includes zirconia, Yttria-stabilized zirconia (YSZ), γ/Al2 O3, and/or YSZ- γ/Al2 O3, and a porous Pd film or porous Pd-alloy f...  
WO/2018/099994A1
The present disclosure relates to semipermeable membranes based on acrylonitrile copolymers capable of adsorbing bacteria from fluids,methods of producing such membranes, and devices comprising such membranes.  
WO/2018/101541A1
The present invention is to prepare a support layer used in a forward osmosis filter, and the technical subject matters of the present invention are a method for preparing a forward osmosis filter support layer and a forward osmosis filt...  
WO/2018/097988A1
The present disclosure provides a porous membrane made of pentablock copolymer. The porous membrane includes an ABCBA block copolymer and has a number of pores. The A block is immiscible with each of the B block and the C block, the B bl...  
WO/2018/091865A1
A composite membrane comprising: (a) a porous support; (b) optionally a gutter layer; (c) a polyimide discriminating layer; and (d) a protective layer comprising dialkylsiloxane groups and having an average thickness of 825 to 2,000 nm; ...  
WO/2018/093488A1
A novel chemically cross-linked rubbery polymeric thin film composite (TFC) membrane comprising a selective layer of a chemically cross-linked rubbery polymer supported by a porous support membrane formed from a glassy polymer has been d...  
WO/2018/091273A1
Process for treating water, wherein feed water is being treated with a membrane M, said membrane M being a reverse osmosis membrane, a forward osmosis membrane or a nanofiltration membrane, wherein said membrane M is contacted with an an...  
WO/2018/093707A1
The present invention is directed to a method for treating a surface of a filled microporous membrane. The microporous membrane includes a polyolefinic matrix, inorganic filler distributed throughout the matrix, and a network of intercon...  
WO/2018/092852A1
Provided are a reverse osmosis membrane treatment system and a reverse osmosis membrane treatment method for carrying out treatment with a two-stage or greater reverse osmosis membrane, with which a sufficient water quality improvement e...  
WO/2018/091966A1
Methods are provided for producing a biaxially oriented nanoporous UHMWPE membrane. The method can include combining a petroleum jelly, an ultra-high-molecular- weight polyethylene (UHMWPE), and an antioxidant, forming a suspension, feed...  
WO/2018/093708A1
The present invention is directed to a method for treating a surface of a filled microporous membrane. The microporous membrane includes a polyolefinic matrix, inorganic filler distributed throughout the matrix, and a network of intercon...  
WO/2018/089114A1
An asymmetric hollow fiber (CMS) carbon molecular sieve is made by providing a dope solution comprised of a polvimide and a solvent, at a temperature greater than 250°C that is less than the storage modulus at a temperature of 250°C, b...  
WO/2018/086343A1
Provided are a method of preparing a hierarchical porous channel molecular sieve membrane and an application thereof. The method comprises adding a mesoporous structure-directing agent so as to self-assemble on a membrane layer, thereby ...  
WO/2018/088064A1
This method for drying a separation membrane (12) comprises a step wherein a gas for drying is supplied to the separation membrane at such a rate that the value obtained by dividing the difference between the maximum value and the minimu...  
WO/2018/088232A1
A porous hollow fiber membrane is formed from a thermoplastic resin and is characterized in that the membrane thickness is 0.050 – 0.25 mm, and when the hardness coefficient is defined as K = (compressive resistance)/((membrane thickne...  
WO/2018/084131A1
A porous film that contains a thermoplastic resin and that is provided with a dense structure layer, the proportion of α-crystal strength relative to β-crystal strength of the thermoplastic resin in the dense structure layer being 5.0 ...  
WO/2018/082024A1
A liquid-repellent surface is formed where the repellency arises solely from the re-entrant surface structure. The liquid-repellent surface is a porous membrane that contains hexagonally packed microcavities, each of which has a narrow o...  
WO/2018/085789A1
Methods that expand the properties of laser-induced graphene (LIG) and the resulting LIG having the expanded properties. Methods of fabricating laser-induced graphene from materials, which range from natural, renewable precursors (such a...  
WO/2018/084958A1
A polyimide separation membrane is comprised of a polyimide, a halogen compound (e.g., halogenated aromatic epoxide) that is soluble in the polyimide and a hydrocarbon having 2 to 5 carbons (e.g., ethane, ethylene, propane or propylene)....  
WO/2018/080398A1
There is provided a hollow fiber membrane for vacuum membrane distillation having a maximum tensile strength of ≥ 3.5 MPa and a liquid entry pressure (LEP) of ≥ 3.0 bar, wherein the hollow fiber membrane is a single layer hollow fibe...  
WO/2018/067269A1
Described herein is a crosslinked graphene material based element that provides anti-microbial capabilities. Described is an element that can also comprise a support. Also described is an element where the support can be the article to b...  
WO/2018/065526A1
The present invention relates to polymer compositions (C) for the preparation of porous article, notably microporous membranes or hollow fibers. More particularly, the present invention relates to a process of preparing a porous article ...  
WO/2018/060510A2
A hollow fibre membrane having a coiled, a hemihelix, a helical or an undulated native form, in which the membrane can be stretched by up to 4-times its original length with no plastic deformation, and wherein the native form of the memb...  
WO/2018/056242A1
Provided are a RO membrane rejection rate-improving agent capable of improving the rejection rate, particularly the boron rejection rate, without significantly reducing permeation flux, and a rejection rate-improving method using said re...  

Matches 801 - 850 out of 5,067