| Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060) |
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| 05/06/2004 | WO2003022394A3 Process for treating a lipophilic fluid |
| 05/06/2004 | US20040086764 Polymer membrane material is irradiated; irradiated polymer membrane material is sulfonated in order to link sulfonic acid groups to it |
| 05/06/2004 | US20040084384 Microbicidal separation systems |
| 05/06/2004 | US20040084370 Dialysis on microchips using thin porous polymer membranes |
| 05/06/2004 | US20040084365 Solvent-resistant microporous polybenzimidazole membranes and modules |
| 05/06/2004 | US20040084364 Process of forming multilayered structures |
| 05/06/2004 | DE20023323U1 Hohlfasermembran und geflochtene rohrförmige Halterung für die Membran Hollow fiber membrane and braided tubular support for the membrane |
| 05/06/2004 | CA2503433A1 Heat-resistant film and composite ion-exchange membrane |
| 05/05/2004 | CN1494745A Polymer membrane, method for production and use thereof |
| 05/05/2004 | CN1148258C Heteropolycompound film catalyst and reactor for esterification reaction |
| 05/05/2004 | CN1148250C Semi-conductor manufacturing system |
| 05/04/2004 | US6730808 Oxidative reactions using membranes that selectively conduct oxygen |
| 05/04/2004 | US6730364 Preparation of carbon molecular sieve membranes on porous substrate |
| 04/29/2004 | WO2004035660A1 Process for the production of sulfoalkyl-containing polymers |
| 04/29/2004 | WO2004035182A1 Multi-tube separation membrane module |
| 04/29/2004 | WO2004035180A1 Microporous hydrophilic membrane |
| 04/29/2004 | US20040082731 Polyimide membranes; injection molding |
| 04/29/2004 | US20040081823 Proton conductive membrane and production method thereof |
| 04/29/2004 | US20040079419 Gas valve |
| 04/29/2004 | CA2502551A1 Process for the production of sulfoalkyl-containing polymers |
| 04/28/2004 | EP1413350A1 Multilayer microporous film |
| 04/28/2004 | EP1412564A1 Double-layered-hollow membrane for bioreactor applications |
| 04/28/2004 | EP1412064A1 Discoid filtration body |
| 04/28/2004 | EP1412062A2 Use of membranes to separate organic liquids having different polarities |
| 04/28/2004 | EP1412058A1 Apparatus and process for separating purified methans |
| 04/28/2004 | EP1370344A4 Polymeric membranes and uses thereof |
| 04/28/2004 | EP1108239A4 Communication management system for computer network-based telephones |
| 04/28/2004 | EP0973809B1 Cross-linked sulphonated polymers and method for preparing same |
| 04/28/2004 | CN1492837A Device and method for manufacture of carbonaceous material |
| 04/28/2004 | CN1147353C Catalytic membrane reactor with two component three dimensional catalysis |
| 04/28/2004 | CN1147352C Porous polyvinylidene fluoride resin film and processes for producing same |
| 04/28/2004 | CN1147350C Surface modified porous membrane and process for producing same |
| 04/27/2004 | US6726840 Porous membranes of (per)fluorinated amorphous polymers having pore size in range 5-500 nm, and narrow pore size distribution as determined by atomic force electronic microscope; ultrafiltration or nanofiltration separation |
| 04/27/2004 | US6726744 Mixed matrix membrane for separation of gases |
| 04/27/2004 | US6726701 Embolic protection device |
| 04/22/2004 | WO2004034500A2 Proton-conducting polymer membrane containing polyazole blends, and application thereof in fuel cells |
| 04/22/2004 | WO2004034499A2 Proton-conducting polymer membrane comprising sulfonic acid-containing polyazoles, and use thereof in fuel cells |
| 04/22/2004 | WO2004034498A2 Proton-conducting polymer membrane that contains polyazoles and is coated with a catalyst layer, and application thereof in fuel cells |
| 04/22/2004 | WO2004033534A1 Polyarylene ether compound containing sulfonic acid group, composition containing same, and method for manufacturing those |
| 04/22/2004 | WO2004033079A2 Proton conducting polymer membrane comprising phoshphonic acid groups containing polyazoles and the use thereof in fuel cells |
| 04/22/2004 | WO2003031036A3 Composite nanofiltratrion and reverse osmosis membranes and method for producing the same |
| 04/22/2004 | US20040076980 Method of separating extra-chromosonal dna from other cellular components |
| 04/22/2004 | US20040076874 Separation module, method for its production and its use |
| 04/22/2004 | DE10247417A1 Crosslinkable copolyimide consisting mainly of repeating units derived from dianhydrides useful as membranes for separating various materials at high feed pressures with high selectivity and high permeability |
| 04/22/2004 | CA2500792A1 Proton-conducting polymer membrane containing polyazole blends, and application thereof in fuel cells |
| 04/22/2004 | CA2500784A1 Proton-conducting polymer membrane comprising polyazoles containing sulfonic acid groups and its use in fuel cells |
| 04/22/2004 | CA2500774A1 Proton-conducting polymer membrane that contains polyazoles and is coated with a catalyst layer, and application thereof in fuel cells |
| 04/22/2004 | CA2500514A1 Proton-conducting polymer membrane comprising polyazoles containing phosphonic acid groups and its use in fuel cells |
| 04/21/2004 | EP1411029A1 Catalytic membrane reactor that is used for the decomposition of hydrogen sulphide into hydrogen and sulphur and the separation of the products of said decomposition |
| 04/21/2004 | EP1410839A1 Hollow fiber membrane for purifying blood |
| 04/21/2004 | EP1410838A1 Method of manufacturing membranes and the resulting membranes |
| 04/21/2004 | EP1409119A2 Asymmetric gel-filled microporous membranes |
| 04/21/2004 | EP1409118A2 Laminated edge filter structure and method of making |
| 04/21/2004 | EP1056937A4 Combustion engine air supply system |
| 04/21/2004 | CN1490076A Preparation of coal based carbon film |
| 04/21/2004 | CN1490075A Pore adjusting method for coal based carbon film |
| 04/20/2004 | US6723814 Amphiphilic copolymer planar membranes |
| 04/20/2004 | US6723758 Graft polymeric membranes have one or more trifluorovinyl aromatic monomers that are radiation graft polymerized to a polymeric base film; use in electrode apparatus, fuel cells |
| 04/20/2004 | US6723757 Reacting solutions of acidic polymers and polymers containing basic heterocyclic nitrogen-containing moieties, optionally with lithium chloride, in dipolar-aprotic solvents, evaporating solvent, aftertreating in diluted mineral acids |
| 04/20/2004 | US6723422 Composite reverse osmosis membrane and process for preparing the same |
| 04/20/2004 | US6723241 Comprising a polyamide layer on a porous support where the polyamide layer is complexed or hydrogen bonded to a phosphorus-containing compound; improved flux and/or rejection rate; filters; nanofiltration and reverse osmosis |
| 04/20/2004 | US6723153 Introducing mixture of sulfur hexafluoride(sf6) and nitrogen(n2) to a membrane separator comprising separating membrane which preferentially passes n2 to obtain sf6 enriched retentate and a n2 enriched permeate |
| 04/20/2004 | US6723152 Gas separation using membranes formed from blends of perfluorinated polymers |
| 04/20/2004 | US6723147 Air-permeable filter for ink cartridge and ink cartridge comprising same |
| 04/20/2004 | CA2312817C Inorganic filtering material modified with organomineral grafting and preparation method |
| 04/20/2004 | CA2074349C Polytetrafluoroethylene porous film and preparation and use thereof |
| 04/15/2004 | US20040072314 Isolating and purifying therapeutic polypeptide using undulating solid support comprising polyethersulphone |
| 04/15/2004 | US20040072045 Proton-conductive polymer film and process for producing the same |
| 04/15/2004 | US20040071968 Porous compositions comprising surface modified monoliths |
| 04/15/2004 | US20040071894 Preparation of composite silica membranes with thermal stability by a soaking-rolling method |
| 04/15/2004 | US20040071881 Coating a release surface with a catalyst ink; drying the catalyst ink; transferring the catalyst layer from the release surface to the ion-exchange membrane by applying pressure, heating |
| 04/15/2004 | US20040069655 Oxide ion conductive ceramic membrane structures for high-pressure oxygen production |
| 04/15/2004 | DE10246461A1 Polymer electrolyte membrane containing a polyazole blend for use, e.g. in fuel cells, obtained by processing a mixture of polyphosphoric acid, polyazole and non-polyazole polymer to form a self-supporting membrane |
| 04/15/2004 | DE10246459A1 Polymer electrolyte membrane for use, e.g. in fuel cells, obtained by heating a mixture of phosphonated aromatic polyazole monomers in polyphosphoric acid and then processing to form a self-supporting membrane |
| 04/15/2004 | DE10246373A1 Polymer electrolyte membrane for use, e.g. in fuel cells, manufactured by heating a mixture of sulfonated aromatic polyazole monomers in polyphosphoric acid and then processing to form a self-supporting membrane |
| 04/15/2004 | DE10246372A1 Catalyst-coated polymer electrolyte membrane for use, e.g. in fuel cells, obtained by processing a mixture of polyphosphoric acid and polyazole to form a self-supporting membrane which is then coated with catalyst |
| 04/14/2004 | EP1407808A1 Method for producing a biomimetic membrane, biomimetic membrane and uses thereof |
| 04/14/2004 | EP1315589B1 Module used as a filter, catalyst or heater and a method for producing the same |
| 04/14/2004 | EP1289628A4 Acid stable membranes for nanofiltration |
| 04/14/2004 | EP0980347B1 Separation of co 2? from unsaturated fluorinated compounds by semipermeable membrane |
| 04/14/2004 | CN1488678A Method for preparing elastomer based on silioxane |
| 04/14/2004 | CN1145704C Mesoscale polynucleotide amplification device |
| 04/14/2004 | CN1145522C Foamed porous thermoplastic polymer membranes and method and device for prodcing same |
| 04/13/2004 | US6719923 Comprises cellulose acetates as polymer, 1,4-dioxane, 4-hydroxymethylpentanone, and/or ethyl acetate as solvent, and n-octanol and/or 2-methyl-2,4-pentanediol as pore former; for measuring blood glucose concentration/hematocrit |
| 04/13/2004 | US6719905 Polymeric membranes functionalized with EGTA ligands, and process of separating ions |
| 04/13/2004 | US6719832 Hydrogen purification devices, components and fuel processing systems containing the same |
| 04/13/2004 | US6719147 Supported mesoporous carbon ultrafiltration membrane and process for making the same |
| 04/13/2004 | CA2335886C Antimicrobial semi-permeable membranes |
| 04/13/2004 | CA2098238C Polymer electrolyte membrane, and process for the production thereof |
| 04/09/2004 | CA2444585A1 Method and apparatus for the continuous coating of an ion-exchange membrane |
| 04/08/2004 | WO2004030135A2 Proton-conducting membrane and use thereof verwendung |
| 04/08/2004 | WO2004016665A3 Fluorinated polymers, membranes prepared from same and fuel cell device comprising said membranes |
| 04/08/2004 | WO2004014981A3 Polyphenylene-type polymers, preparation method thereof, membranes and fuel cell device comprising said membranes |
| 04/08/2004 | WO2003072640A3 Compositions comprising continuous networks and monoliths |
| 04/08/2004 | WO2003016384A3 Method for producing a membrane from a cross-linked polymer blend, and corresponding fuel cell |
| 04/08/2004 | US20040065607 Porous membrane to separation liquid from solids; concurrent casting polysulkfone with polyvinylpyrrolidone |
| 04/08/2004 | US20040064968 Article and method for producing extremely small pore inorganic membranes |
| 04/08/2004 | CA2498370A1 Novel polyazoles, proton-conducting membrane and other shaped bodies comprising these and their use |
| 04/07/2004 | EP1404745A1 Polyazole-based polymer films |
| 04/07/2004 | EP1359995A4 Asymmetric hollow fiber membranes |