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WO/2009/125218 |
A composite membrane comprising a discriminating layer and a porous support layer for the discriminating layer, CHARACTERISED IN THAT the discriminating layer comprises at least 60wt% of oxyethylene groups and the porous support layer ha...
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WO/2009/121124 |
A process of steam separation using a separation membrane in a separation vessel where the separation membrane separates the vessel into an intake chamber and a recovery chamber. The separation membrane comprises at least one porous supp...
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WO/2009/117978 |
The invention relates to a composite membrane for selective gas separation, comprising a layer system having a through-and-through porous, mechanically stable carrier layer, which has an average pore size in the μm range, further having...
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WO/2009/115938 |
The present invention relates to flow-through membranes suitable for the immobilization of biomolecules, methods for the preparation of such membranes and the use of such membranes for the immobilization of biomolecules and subsequent de...
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WO/2009/113823 |
A method for fabricating a membrane is disclosed, to provide both hydrophilicity and hydrophobicity to predetermined positions of a surface of a single membrane. The method for fabricating a membrane includes: preparing a template with n...
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WO/2009/106002 |
An organic-inorganic hybridized pervaporation ethanol-permselective membrane used for ethanol/water system separation and the preparation thereof. The organic-inorganic hybridized pervaporation ethanol-permselective membrane comprises hy...
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WO/2009/106554 |
The invention relates to: - a polymer composition comprising (a) a polybenzimidazole derived from (a1) at least one bis-(ortho-diamino) aromatic compound and (a2) at least one aromatic carboxylic acid or derivative thereof, each containi...
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WO/2009/103556 |
The invention relates to a porous membrane having a particle filtration value of at least 10 under U.S. Military Standard MIL-STD-282 (1956), where the porous membrane is a polyethylene membrane made from a blend of UHMWPE and UMWPE. The...
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WO/2009/105394 |
A method of preparing a gas separation membrane system and the gas separation membrane system itself, wherein the method includes applying a layer of a gas-selective material to a porous substrate followed by heat-treating thereof in an ...
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WO/2009/091311 |
The present invention relates to a biocompatible filter member for body fluid dialysis and a method of fabrication and use thereof. The filter member comprises a porous substrate (21) comprising a metal oxide and the filter member has al...
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WO/2009/087571 |
Materials and methods for the selective removal of lipopolysaccharide during the purification of molecules of biopharmaceutical interest are based on a polymeric substrate that binds lipopolysaccharide. Preferably, the polymeric substrat...
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WO/2009/089355 |
Alkaline anion exchange membranes are described. The synthesis of the polymers forming alkaline anion exchange membranes are described, including chloromethylation, quaternization, and alkalinization of polymers.
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WO/2009/087571 |
Materials and methods for the selective removal of lipopolysaccharide during the purification of molecules of biopharmaceutical interest are based on a polymeric substrate that binds lipopolysaccharide. Preferably, the polymeric substrat...
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WO/2009/083509 |
The invention relates to water-insoluble polymers synthesized from a polymer chain based on at least one base polymer A and at least one group based on polydiallyl ammonium compounds B, wherein said polymer chain is covalently linked to ...
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WO/2009/077734 |
To form a layer (11) separating two volumes of aqueous solution, especially a biolayer lipid membrane (BLM) there is used an apparatus comprising elements defining a chamber (7), the elements including a body (2) of non-conductive materi...
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WO/2009/077734 |
To form a layer (11) separating two volumes of aqueous solution, especially a biolayer lipid membrane (BLM) there is used an apparatus comprising elements defining a chamber (7), the elements including a body (2) of non-conductive materi...
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WO/2009/069533 |
The invention relates to a microporous membrane having a relatively low heat shrinkage values along planar axes of the membrane. The invention also relates to a battery separator formed by such microporous membrane, and a battery compris...
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WO/2009/069534 |
The invention relates to microporous polymeric membrane having a good balance of rupture temperature and air permeability. The invention also relates to a battery separator formed by such a microporous membrane, and a battery comprising ...
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WO/2009/070381 |
Membranes are made from polymers and heat treated so that they have at least two zones with pores of different sizes. Pores with a smaller size have a lower molecular weight cut off than pores with a larger size. Zones with pores of diff...
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WO/2009/069110 |
A method for producing elongated cylindrical micro-pores (2) in a polymer film (1) comprises drop-casting a thin film (22) of a low polymer concentration solvent solution comprising approximately 3.5% by mass polymer and 96.5% by mass so...
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WO/2009/069534 |
The invention relates to microporous polymeric membrane having a good balance of rupture temperature and air permeability. The invention also relates to a battery separator formed by such a microporous membrane, and a battery comprising ...
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WO/2009/067090 |
There is disclosed an electro-membrane that comprises a porous body having a front surface and a rear surface opposite to the front surface. A plurality of nano-channels extend through the porous body between the front and rear surfaces ...
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WO/2009/063067 |
The invention relates to a micro-porous membrane comprising a porous membrane carrier made of a first polymeric material (A) and comprising a second polymeric material (B) intimately divided throughout the porous membrane carrier, wherei...
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WO/2009/063067 |
The invention relates to a micro-porous membrane comprising a porous membrane carrier made of a first polymeric material (A) and comprising a second polymeric material (B) intimately divided throughout the porous membrane carrier, wherei...
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WO/2009/056812 |
A method for maintaining pore size of a reusable filtration membrane, said method comprising exposing said filtration membrane to a plasma comprising a hydrocarbon or fluorocarbon monomer so as to form a polymeric layer on the surface th...
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WO/2009/058209 |
An amorphous silica hybrid membrane structure comprising a monolithic inorganic porous support, optionally one or more porous inorganic intermediate layers, and an amorphous silica membrane. The amorphous silica hybrid membrane is useful...
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WO/2009/049981 |
The invention relates to a method for producing hollow carbon fibres (7) by treating a stabilized carbon fibre precursor (1) in an application device with high-frequency electromagnetic waves, wherein the application device comprises mea...
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WO/2009/047154 |
The present invention discloses the preparation of antimicrobial membranes by inclusion of low leaching, control release silver-based antimicrobial additives as described in claim 1 into the polymer matrix and forming this into a semiper...
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WO/2009/048663 |
A process for preparing a polymer composite includes reacting (a) a multi-functional monomer and (b) a block copolymer comprising (i) a first block and (ii) a second block that includes a functional group capable of reacting with the mul...
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WO/2009/048663 |
A process for preparing a polymer composite includes reacting (a) a multi-functional monomer and (b) a block copolymer comprising (i) a first block and (ii) a second block that includes a functional group capable of reacting with the mul...
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WO/2009/044655 |
A reverse osmosis membrane which can retain permeability over a longer period; a reverse osmosis membrane device; and a method of hydrophilizing a reverse osmosis membrane. The reverse osmosis membrane has a polyvinyl alcohol adherent th...
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WO/2009/044227 |
The invention relates to a microporous membrane which comprises polyethylene, the microporous membrane having a differential pore volume curve with an area under the curve over the range of pore diameters of from about 100 nm to about 1,...
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WO/2009/040123 |
The invention relates to hydrophilic membranes which are supplemented or treated with a non-ionic surfactant and processes for preparing such membranes. The membranes are particularly suitable for plasma separation or for haemodialysis a...
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WO/2009/039467 |
Disclosed are composite membranes for removing contaminants from water, the membranes comprising a water-permeable thin film polymerized on a porous support membrane and, optionally, a mixture, including a surface coating material having...
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WO/2009/027993 |
The present invention provides an alternate proton conducting polymer electrolyte membrane and a process for the preparation thereof. More particularly the present invention provides a conducting hybrid polymer electrolyte membrane compr...
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WO/2009/027098 |
The present invention provides a membrane structure, comprising in said order a first electronically conducting layer, an ionically conducting layer, and a second electronically conducting layer, characterized in that the first and secon...
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WO/2009/024678 |
Device for the separation of a liquid suspension (S), comprising a continuous liquid phase (PL) and at least one dispersed phase (GB, GR), said phases having different densities. Said device comprises a first duct (C1) with at least one ...
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WO/2009/025900 |
The present invention provides membranes having a coating layer comprising cellulose or cellulose derivative and a porous support comprising nanofibers prepared by a process of coating a solution comprising cellulose or a cellulose deriv...
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WO/2009/024678 |
Device for the separation of a liquid suspension (S), comprising a continuous liquid phase (PL) and at least one dispersed phase (GB, GR), said phases having different densities. Said device comprises a first duct (C1) with at least one ...
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WO/2009/020598 |
A multi-layer membrane structure including a crosslinked polymeric membrane, such as a crosslinked polyvinyl sulfate membrane or a crosslinked copolymer polyvinyl sulfate and polyvinyl alcohol membrane, is provided. The membrane structur...
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WO/2009/020599 |
A multi-layer membrane structure including a crosslinked polymeric membrane, such as a crosslinked polyvinyl sulfate membrane or a crosslinked copolymer polyvinyl sulfate and polyvinyl alcohol membrane, is provided. The membrane structur...
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WO/2009/013340 |
The invention relates to an hydrophilic membrane comprising a membrane carrier and a hydrophilic coating with good properties. The coating may comprise covalently bound inorganic-organic hybrid material; or the coating may comprise ring-...
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WO/2009/011415 |
This invention provides a method for improving the blocking rate of a permeable membrane, which can reduce a lowering in permeation flux of the permeable membrane to improve the blocking rate, particularly against organic matter, and thu...
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WO/2009/005745 |
Inorganic membrane structures of high stability, high permeability, and large surface area. Zeolite membranes can be disposed onto an intermediate pore size modification layer which reduces the pore size of the inorganic porous support. ...
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WO/2009/001916 |
The invention aims at providing a process by which composite semipermeable membrane excellent in contamination resistance, particularly microbial contamination resistance can be easily produced at a low cost; and composite semipermeable ...
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WO/2008/153828 |
Methods for preparing porous inorganic coatings (50) on porous supports (10) using certain pore formers such as protein, starch or synthetic polymer particles, and porous supports coated with porous inorganic coatings. The porous inorgan...
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WO/2008/153828 |
Methods for preparing porous inorganic coatings (50) on porous supports (10) using certain pore formers such as protein, starch or synthetic polymer particles, and porous supports coated with porous inorganic coatings. The porous inorgan...
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WO/2008/146037 |
A method is provided for forming zeolite membranes in internal surfaces of a plurality of conduits in a cylindrical porous ceramic monolith, the conduits extending from one end of the monolith to the other and being disposed in a single ...
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WO/2008/141935 |
A membrane bag (40) comprising a volume fox-permeate collection, wherein the volume is completely enclosed in seamless membrane substance (43); a filtration unit comprising at least one above-described seamless membrane bag; the use of a...
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WO/2008/141444 |
The catalyst-coated membrane has a proton exchange membrane with two opposite sides, and a catalyst coating applied directly to one of the two sides, the catalyst coating having a plurality of openings defined therethrough and scattered ...
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