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Patent Searching and Data


Matches 1 - 50 out of 5,623

Document Document Title
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/2018/104455A3
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/2018/104498A2
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...  
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/2018/087289A1
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/2018/088232A1
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/2018/067269A8
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/2018/060510A3
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...  
WO/2018/050437A1
The present disclosure relates to improved semipermeable membranes based on acrylonitrile copolymers for use in dialyzers for the extracorporeal treatment of blood in conjunction with hemodialysis, hemofiltration or hemodiafiltration. Th...  
WO/2018/049341A1
Embodiments disclosed herein are directed to membranes for filtration, methods of manufacturing the same, and membrane modules incorporating the same. In an embodiment, a membrane is disclosed. The membrane includes a porous cellulose la...  
WO/2018/048696A1
An article that includes a functionalized copolymer and the use thereof, particularly in a process for binding biomaterials, such as in a process for separating aggregated proteins from monomeric proteins in a biological solution; wherei...  
WO/2018/048269A1
The present invention relates to a reverse osmosis membrane using a polyolefin-based microporous membrane and a production method therefor. The present invention relates to a method for forming a polyamide layer by interfacial polymeriza...  
WO/2018/049160A1
Described herein is a graphene material and polymer-based anti-microbial 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 t...  
WO/2018/049160A8
Described herein is a graphene material and polymer-based anti-microbial 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 t...  
WO/2018/042392A1
Disclosed are selectively-permeable membranes and components configured for selective permeation of a specified gas, such as oxygen, therethrough, methods for making the same and methods for using the same, for example, to implement fuel...  
WO/2018/039966A1
A reverse osmosis membrane (100) and the method of processing the same. The method includes forming a polyamide material (104) on a microporous membrane material (102) by reacting a polyfunctional amine with a polyfunctional acid chlorid...  
WO/2018/036553A1
Disclosed is an all-carbon film based on activated carbon, which is formed by using activated carbon as a base material and graphene as a crosslinking agent for connection, and can stably exist independent of a substrate. The surface por...  
WO/2018/033921A1
The present disclosure is directed to membranes having improved performance parameters, specifically, to microfiltration, ultrafiltration, Nano filtration, reverse osmosis, submerged and bioreactor membranes having a portion with increas...  
WO/2018/034560A1
The present invention relates to a method for the production of a positively charged membrane. Furthermore the present invention relates to a positively charged membrane obtainable by the methods of present invention and the use of these...  

Matches 1 - 50 out of 5,623