| 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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| 03/11/2004 | US20040045432 An apparatus for separating and recovering a halide gas comprising at least first and second stage separation membrane modules which is characterized in that the first stage separation membrane module has a gas inlet thereof connected |
| 03/11/2004 | DE10239701A1 Production of polymer membrane, used in membrane electrode unit for fuel cell, uses phosphorus and/or sulfur oxy-acid in liquid for hydrolyzing membrane made by heating mixture of polyphosphoric acid and polyazole or precursors |
| 03/10/2004 | EP1395628A1 Method for the production of cellulosic flat films |
| 03/10/2004 | EP1242638B8 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds |
| 03/10/2004 | CN1481409A Modified sulfonamide polymers |
| 03/10/2004 | CN1481272A Hollow fiber film and method for prodn thereof |
| 03/10/2004 | CN1480249A Gas separation membrane made from cellulose of sulphoxide group and its preparing method |
| 03/10/2004 | CN1480248A Separation membrane made from cellulose and its preparing method |
| 03/10/2004 | CN1480039A Material for filtering and killing pathogenic microorganism and its preparing method |
| 03/10/2004 | CN1141172C Oxygen permeating film material with high oxygen permeating amount, high stability and high mechanical performance |
| 03/10/2004 | CN1141171C Prepn of ultrathin self-loaded mixed-conductor oxygen-permeating film |
| 03/10/2004 | CN1141169C Integrally asymmetrical polyolefin membrane |
| 03/09/2004 | US6702945 Contacting hydrocarbon mixture containing sulfur compound with membrane; selectively permeating sulfur compounds of hydrocarbon mixture through membrane forming sulfur-rich permeate and sulfur-lean retentate; retrieving |
| 03/09/2004 | US6702941 Fluid treatment elements adapted for cross flow treatment |
| 03/09/2004 | US6702878 Hydrogen-permeable membrane, manufacturing method of the same, and hydrogen gas separator using the same |
| 03/04/2004 | WO2004018549A1 Process for preparing multi-layer proton exchange membranes and membrane electrode assemblies |
| 03/04/2004 | WO2004018527A1 Fluoropolymer dispersion and process for producing fluoropolymer dispersion |
| 03/04/2004 | WO2004018079A2 Fiber containing filter media |
| 03/04/2004 | WO2004018067A2 Airlift membrane device, bioreactor and bioreaction process |
| 03/04/2004 | WO2003103813A3 Materials and reactor systems having humidity and gas control |
| 03/04/2004 | WO2003069705B1 Tubular solid oxide fuel cell stack |
| 03/04/2004 | WO2003045840A3 Mesoporous materials and methods |
| 03/04/2004 | WO2001093994A8 Polyamide membrane exhibiting an increased hydrolysis stability and method for the production thereof |
| 03/04/2004 | US20040043888 Compositions and methods for making microporous ceramic materials |
| 03/04/2004 | US20040043297 Proton conductive resin composition, method for preparing the same, and proton conductive membrane comprising the composition |
| 03/04/2004 | US20040043271 Impregnation of ion-exchange membranes to improve electrochemical fuel cell performance |
| 03/04/2004 | US20040043224 Enhanced hydrophobic membranes and methods for making such membranes |
| 03/04/2004 | US20040040416 Method of forming nanoporous membranes |
| 03/04/2004 | CA2494711A1 Process for preparing multi-layer proton exchange membranes and membrane electrode assemblies |
| 03/03/2004 | EP1393398A2 Ion-exchange materials with improved ion conductivity |
| 03/03/2004 | EP1393394A2 Conductive polyamine-based electrolyte |
| 03/03/2004 | EP1392765A1 Modification of drawn film |
| 03/03/2004 | EP1392410A2 Water treatment apparatus |
| 03/03/2004 | EP1157067B1 Separator for secondary battery and porous film made of polyolefin blend and process for preparing the same |
| 03/03/2004 | CN1478590A Preparation method of nanometer Al2O3Sio2 polysulfone composite film having intermediate phase structure |
| 03/03/2004 | CN1140327C Permselective membranes and method for their production |
| 03/03/2004 | CN1140326C Filter medium and air filter unit using same |
| 02/28/2004 | CA2437668A1 Impregnation of ion-exchange membranes to improve electrochemical fuel cell performance |
| 02/26/2004 | WO2004016665A2 Fluorinated polymers, membranes prepared from same and fuel cell device comprising said membranes |
| 02/26/2004 | WO2004016552A1 Process for producing zeolite molding and process for producing zeolite laminate composite |
| 02/26/2004 | WO2004016341A2 Fluoropolymer membrane |
| 02/26/2004 | US20040039148 Sulfonated copolymer |
| 02/26/2004 | US20040038105 For use in fuel cells; for use in electrodialysis and/or electrolysis |
| 02/26/2004 | US20040038044 Two-step catalysed hydrolysis sol-gel process; tetraethyl-orthosilicate/ethanol solution is placed in an ice bath, to which an acid/water solution is added followed by refluxing then adding water and nitric acid |
| 02/26/2004 | US20040038014 Fiber containing filter media |
| 02/26/2004 | US20040037962 Forming an antipeeling protective palladium thin film, by diffusing a reductant from the other side of porous support, metallization, hydrogenation, reduction, electroless deposition |
| 02/26/2004 | US20040036394 Process for preparing multi-layer proton exchange membranes and membrane electrode assemblies |
| 02/26/2004 | US20040035786 Airlift membrane device and membrane bioreactor and bioreactor process containing same |
| 02/26/2004 | US20040035782 Modified membranes |
| 02/26/2004 | US20040035290 Porous gas permeable material for gas separation |
| 02/26/2004 | DE10326703A1 Production of membranes, for use as polymer electrolyte membranes for fuel cells, comprises forming sulfonated polysulfone block copolymer into membrane film |
| 02/26/2004 | CA2494545A1 Fluoropolymer membrane |
| 02/25/2004 | EP1391480A1 Proton conductive resin composition, method for preparing the same, and proton conductive membrane comprising the composition |
| 02/25/2004 | EP1391235A2 Process for manufacturing a porous alumina membrane for fuel cells |
| 02/25/2004 | EP1390087A1 Crosslinked multipolymer coating |
| 02/25/2004 | EP1153969B1 Microporous polyolefin film and process for producing the same |
| 02/25/2004 | EP1153968B1 Microporous polyolefin film and process for producing the same |
| 02/25/2004 | CN1477990A Novel membranes having improved mechanical properties, for use in fuel cells |
| 02/25/2004 | CN1477091A Method for preparing acrolein membrane reactor for propane oxidation and its application |
| 02/25/2004 | CN1477059A Preparation method of nano alumina material |
| 02/25/2004 | CN1139426C Oxidative reaction using mixed conductive oxygen selective membrane |
| 02/24/2004 | US6695967 Amounts of the aluminum metal powder and the alumina powder in said mixture are chosen in a proportion to minimize the volume change of the sintered monolith from that of the green monolith |
| 02/19/2004 | WO2004015804A2 Metal coated polymer electrolyte membrane having a reinforcement structure |
| 02/19/2004 | WO2004015803A1 Proton-conducting polymer membrane comprising a polymer with sulphonic acid groups and use thereof in fuel cells |
| 02/19/2004 | WO2004015802A1 Proton-conducting polymer membrane comprising a polymer with phosphonic acid groups and use thereof in fuel cells |
| 02/19/2004 | WO2004015801A1 Composite electrolyte for fuel cells |
| 02/19/2004 | WO2004014981A2 Polyphenylene-type polymers, preparation method thereof, membranes and fuel cell device comprising said membranes |
| 02/19/2004 | WO2004014578A1 Bundle draw based processing of nanofibers and method of making |
| 02/19/2004 | WO2004014530A1 Method for the production of a ceramic or metal hollow fiber membrane module |
| 02/19/2004 | WO2003023890A3 Hydrophilic polymers and their use in electrochemical cells |
| 02/19/2004 | WO2002081045A3 Meniscus membranes for separations |
| 02/19/2004 | US20040033576 Using crystalline cell surface protein for directed monomolecular bonding of molecular layers and/or their attachment to solid support; immobilized cells; micelles |
| 02/19/2004 | US20040033370 Exhibits, in the n-butane/isobutane separation, an n-butane permeance of at least 6.10-7 mol/m2.s.Pa and a selectivity of at least 250 at the temperature of 180 degrees C. |
| 02/19/2004 | US20040033339 Porous body and method of manufacturing the same |
| 02/19/2004 | US20040033180 Method and apparatus for producing silicon oxide-based ceramic membrane by gas phase synthesis |
| 02/19/2004 | CA2494530A1 Proton-conducting polymer membrane comprising a polymer with sulphonic acid groups and use thereof in fuel cells |
| 02/19/2004 | CA2494330A1 Proton-conducting polymer membrane comprising polymers containing phosphonic acid groups and its use in fuel cells |
| 02/18/2004 | EP1389352A2 Polymer electrolyte membrane |
| 02/18/2004 | CN1138585C Disposable membrane module with low-dead volume |
| 02/17/2004 | US6692857 Multilayer polymer |
| 02/17/2004 | US6692640 Mordenite zeolite membrane and method for producing the same |
| 02/17/2004 | US6692528 Devices that change size/shape via osmotic pressure |
| 02/12/2004 | WO2003002239A3 Laminated edge filter structure and method of making |
| 02/12/2004 | US20040030122 Process for recovering cellulose ethers from aqueous solutions via enhanced shear ultrafiltration |
| 02/12/2004 | US20040028978 Proton conducting membrane, method for producing the same, and fuel cell using the same |
| 02/12/2004 | US20040028973 Metal coated polymer electrolyte membrane having a reinforcement structure |
| 02/12/2004 | US20040028913 Cation-conducting or proton-conducting ceramic membrane based on a hydroxysilylic acid, method for the production thereof and use of the same |
| 02/12/2004 | US20040028901 Twisting, fluid flow channels; aggregation of particles |
| 02/12/2004 | US20040028875 Method of making a product with a micro or nano sized structure and product |
| 02/12/2004 | US20040028602 Gas separation membrane on support; palladium alloy |
| 02/12/2004 | US20040026321 Membrane process for separating sulfur compounds from FCC light naphtha |
| 02/12/2004 | US20040026315 Melt-spun polysulfone semipermeable membranes and methods for making the same |
| 02/12/2004 | US20040025689 Permselectivity, permeability; separation carbon dioxide from synthesis gas, acid gas from natural gas |
| 02/12/2004 | DE10235358A1 Proton conducting polymer membrane, useful for the production of fuel cells, is prepared by mixing an aromatic tetra-amino compound with an aromatic carboxylic acid in vinyl containing phosphoric acid |
| 02/12/2004 | DE10235357A1 Proton conducting polymer membrane, useful for the production of fuel cells, is prepared by mixing an aromatic tetra-amino compound with an aromatic carboxylic acid in vinyl containing phosphoric and sulfonic acid |
| 02/12/2004 | DE10235356A1 Proton conducting polymer membrane, useful for the production of fuel cells, is prepared by mixing an aromatic tetra-amino compound with an aromatic carboxylic acid in vinyl containing sulfonic acid |
| 02/12/2004 | DE10228432A1 Plattenförmiger Filtrationskörper Plate-shaped filtration body |
| 02/11/2004 | EP1388364A1 Asymmetric porous films and process for producing the same |
| 02/11/2004 | EP1387763A2 Polymeric membranes functionalized with egta ligands |
| 02/11/2004 | EP1349644A4 Modified membranes |