| 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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| 05/27/2009 | CN101439269A Method for preparing thermoplastic polyurethane elastic hollow fiber membrane |
| 05/27/2009 | CN101439268A Method for preparing high-intensity high-throughput polyvinylidene fluoride hollow fiber membrane |
| 05/27/2009 | CN101439267A Method for preparing palladium-based composite membranes |
| 05/27/2009 | CN101439266A Surface modification method of polymer microporous film |
| 05/27/2009 | CN101439265A Hydrophilic modification method of polymer microporous film |
| 05/27/2009 | CN100490957C Method for preparing polyimides microporous separation membrane |
| 05/27/2009 | CN100490956C Perovskite type mixed conductor oxygen permeable membrane of cerium contained series, preparation method and application |
| 05/26/2009 | US7537852 Composite ion exchange membrane and electrolyte membrane electrode assembly |
| 05/26/2009 | US7537738 Fuel processing system having a membrane separator |
| 05/26/2009 | US7537327 Internal die filters with multiple passageways which are fluidically in parallel |
| 05/22/2009 | WO2009065092A1 Durable water-and oil-resistant, breathable micropourous membrane |
| 05/22/2009 | WO2009063861A1 Filter filtration material, method for producing the same and filter unit |
| 05/21/2009 | US20090131248 Novel nanoporous materials |
| 05/21/2009 | US20090130738 Media for membrane ion exchange chromatography |
| 05/21/2009 | US20090130477 Metal palladium composite membrane or alloy palladium composite membrane and their preparation methods |
| 05/21/2009 | US20090130419 Foam sheet and production process thereof |
| 05/21/2009 | US20090127186 Separation Membrane for Use in Treatment of Liquid Comprising Aromatic Ether Polymer Hydrophilized with Hydrophilizing Agent |
| 05/20/2009 | EP2060317A1 Crystalline polymer microporous film, manufacturing method of the same, and filtration filter |
| 05/20/2009 | EP2060316A1 Media for membrane ion exchange chromatography |
| 05/20/2009 | EP2060314A1 Flat-membrane element for filtration and flat-membrane filtration module |
| 05/20/2009 | EP2059541A2 New nanoporous crystalline form of syndiotactic polystyrene, processes for its preparation and related molecular-complex crystalline forms |
| 05/20/2009 | EP2059333A1 Amine aqueous solution for forming an active layer of polyamide reverse osmosis composite membrane, polyamide reverse osmosis composite membrane prepared thereby, and preparation method thereof |
| 05/20/2009 | CN101433810A PVDF modified alloy film for purifying Epsilon-PL and preparation method thereof |
| 05/20/2009 | CN101433809A Integral step-by-step multiple-stage heat-preserving sintering process of metal porous membrane tube |
| 05/20/2009 | CN101433808A Metal porous membrane tube and preparation method thereof |
| 05/20/2009 | CN101433807A Method for optimizing filtering quality of metal porous membrane tube |
| 05/20/2009 | CN101433806A Crystalline polymer microporous film, manufacturing method of the same, and filtration filter |
| 05/20/2009 | CN100489160C Charge barrier flow-through capacitor |
| 05/20/2009 | CN100489011C Proton-conducting membrane and use thereof |
| 05/20/2009 | CN100488610C Method for preparation of polytetrafluorethylene microporous film for the processing of high-temperature fume and dust |
| 05/20/2009 | CN100488609C Coal-based thermoformed tubular porous asymmetric charcoal membrane preparation method |
| 05/19/2009 | US7534516 Solid polymer membrane for fuel cell with polyamine imbibed therein for reducing methanol permeability |
| 05/19/2009 | US7534315 Method for dialysis on microchips using thin porous polymer membrane |
| 05/19/2009 | US7534287 Porous sintered composite materials |
| 05/15/2009 | CA2610584A1 Ionization of hydrocarbon fuel molecule by electromagnetic waves (laser) providing ionization energy in the form photons to convert chemical energy of fuel molecule into electrical energy |
| 05/14/2009 | WO2009060836A1 Cellulose porous membrane |
| 05/14/2009 | WO2009059360A1 Gas separation membranes and processes for the manufacture thereof |
| 05/14/2009 | CA2704634A1 Gas separation membranes and processes for the manufacture thereof |
| 05/13/2009 | EP2058047A1 Control of Kinetic Decomposition in Mixed Conducting Ion Transport Membranes |
| 05/13/2009 | EP1453871B1 Low equivalent weight ionomer |
| 05/13/2009 | CN101432061A 气体分离膜 The gas separation membrane |
| 05/13/2009 | CN101432060A Asymmetric membranes for use in nanofiltration |
| 05/13/2009 | CN101432058A Reverse osmosis membrane with branched poly(alkylene oxide) modified antifouling surface |
| 05/13/2009 | CN101428198A Control of kinetic decomposition in mixed conducting ion transport membranes |
| 05/13/2009 | CN100487030C Porous film and method for preparation thereof |
| 05/13/2009 | CN100486682C Anti-oxide composite reverse osmosis membrane |
| 05/12/2009 | US7531120 Method of making a product with a micro or nano sized structure and product |
| 05/12/2009 | CA2406840C Oil dehydrator |
| 05/07/2009 | WO2009058209A1 Amorphous silica hybrid membrane structure |
| 05/07/2009 | WO2009058206A2 Membranes based on poly (vinyl alcohol-co-vinylamine) |
| 05/07/2009 | WO2009058205A1 Polymer hybrid membrane structures |
| 05/07/2009 | WO2009057717A1 Hydrogen separation membrane and method of controlling pore diameter of hydrogen separation membrane |
| 05/07/2009 | WO2009057557A1 Asymmetric membrane and air-conditioning system using the same |
| 05/07/2009 | WO2009056812A1 Filtration membranes |
| 05/07/2009 | US20090114594 Pervaporation Membranes Highly Selective For Volatile Solvents Present In Fermentation Broths |
| 05/07/2009 | CA2703829A1 Filtration membranes |
| 05/06/2009 | EP2056390A1 Electrolyte membrane for fuel cell and fuel cell using the same |
| 05/06/2009 | EP2055369A1 Sensitively permeable coated membrane |
| 05/06/2009 | EP2054355A2 Composite oxygen ion transport membrane |
| 05/06/2009 | EP2054142A1 Hollow fiber membrane and braided tubular support therefor |
| 05/06/2009 | EP2054141A2 Polymer-coated inorganic membrane for separating aromatic and alphatic compounds |
| 05/06/2009 | CN101426567A Novel use of a copolymer comprising polyamide blocks and polyether blocks originating at least partially from polytrimethylene ether glycol |
| 05/06/2009 | CN101426566A Highly durable porous PVDF film, method of producing the same and washing method and filtration method using the same |
| 05/06/2009 | CN101422708A Recovery method of polyvinylidene fluoride hollow fiber membrane |
| 05/06/2009 | CN101422707A Scratch tape liner type polyvinylidene fluoride hollow fiber membrane |
| 05/06/2009 | CN101422706A Preparation method of co-mixing polyvinylidene fluoride hollow fiber membrane with improved hydrophilicity |
| 05/06/2009 | CN101422705A CO2 tolerance multi-phase mixed conductor compact oxygen permeable film material and preparation method and use thereof |
| 05/06/2009 | CN101422704A Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter |
| 05/06/2009 | CN101422703A Ionic conduction type substance permeability composite material, preparation method and use thereof |
| 05/06/2009 | CN101422669A Preparation method of hydrophilicity macromolecule micropore filter material |
| 05/06/2009 | CN100484616C PVC hollow fiber ultrafiltration membrane preparation method |
| 05/06/2009 | CN100484615C Polyester amide reverse osmosis compound film and its preparation method |
| 05/05/2009 | US7528087 Porous mullite bodies and methods of forming them |
| 05/05/2009 | US7527673 Polyimide based mixed matrix composite membranes |
| 05/05/2009 | CA2248247C Means for the biological purification of a biological fluid |
| 04/30/2009 | WO2009054495A1 Porous polymer film |
| 04/30/2009 | WO2009054460A1 Gas separation membrane |
| 04/30/2009 | WO2009054448A1 Separation membrane element for filtration and membrane module for filtration |
| 04/30/2009 | WO2009003936A3 Biomimetic artificial membrane device |
| 04/30/2009 | WO2009002747A9 Convenient substance-recovery system and process |
| 04/30/2009 | US20090107330 Amorphous silica hybrid membrane structure |
| 04/30/2009 | DE102007062748A1 Polymerelektrolytmembran mit Beschichtungsschicht aus einem Anion bindenden Mittel und Brennstoffzelle, die diese verwendet Polymer electrolyte membrane having the coating layer of an anion-binding agents and fuel cell using this |
| 04/30/2009 | CA2703799A1 Separation membrane element for filtration and membrane module for filtration |
| 04/29/2009 | EP2052771A1 Porous membrane of vinylidene fluoride resin and process for producing the same |
| 04/29/2009 | EP2051861A1 Porous membrane and recording media comprising same |
| 04/29/2009 | EP2051860A1 Porous membranes and recording media comprising same |
| 04/29/2009 | EP1807185A4 Preparation method of palladium alloy composite membrane for hydrogen separation |
| 04/29/2009 | EP1773477A4 Hydrophilic membranes |
| 04/29/2009 | EP1567250B1 Polyimide blends for gas separation membranes |
| 04/29/2009 | CN101421022A Microporous molecular separation membrane with high hydrothermal stability |
| 04/29/2009 | CN101417215A Ordered porous ceramic film and preparation method thereof |
| 04/29/2009 | CN101417211A Ordered porous ceramic film function assembly preparation method |
| 04/29/2009 | CN100483793C Ceramic, flexible membrane providing improved adhesion to the support fleece |
| 04/29/2009 | CN100482602C Method of removing organic impurities from water |
| 04/29/2009 | CN100482330C Temperature-responsive membrane, temperature-responsive membrane module, and membrane filtration system in which the same are used |
| 04/29/2009 | CN100482329C Prepn process of hollow chitosam fiber film for pervaporation separation |
| 04/29/2009 | CN100482327C Organic and inorganic composite hydrophobic film and its preparing process |
| 04/29/2009 | CN100482316C Microbe filter made from micropore ceramics |
| 04/23/2009 | WO2009050850A1 Separation membrane comprising polyethersulfone, process for production thereof, and stock solution for production of film |
| 04/23/2009 | WO2009049981A1 Hollow carbon fibres and method for the production thereof |