| 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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| 09/23/2004 | US20040183055 Method of preparing a thin ceramic composition with two materials, the composition thus obtained and the constituent electrochemical cell and membrane |
| 09/23/2004 | US20040182306 Method of forming a joint |
| 09/23/2004 | US20040182242 Supporting base for gas separation membrane, producing method thereof and gas separation filter |
| 09/23/2004 | US20040181979 Pressing iron having an electro-osmotic pump |
| 09/23/2004 | DE10308110A1 Keramische Nanofiltrationsmembran für die Verwendung in organischen Lösungsmitteln und Verfahren zu deren Herstellung Ceramic nanofiltration membrane for use in organic solvents, and processes for their preparation |
| 09/23/2004 | CA2518948A1 Porous membrane of vinylidene fluoride resin and process for producing the same |
| 09/22/2004 | EP1459800A2 Planar ceramic membrane assembly and oxidation reactor system |
| 09/22/2004 | EP1458797A1 Discrete hydrophilic-hydrophobic porous materials and methods for making the same |
| 09/22/2004 | EP1064986B1 Composite semipermeable membrane, process for producing the same, and method of purifying water with the same |
| 09/22/2004 | CN1530165A Orifice model flat microporous membrane |
| 09/22/2004 | CN1530163A Filtering method |
| 09/22/2004 | CN1167494C Preparation of affinity polysulfone-chitosan compound asymmetrical ultrafiltration film |
| 09/21/2004 | US6794599 Device and method for manufacture of carbonaceous material |
| 09/21/2004 | US6793824 Use of a membrane in the purification of water containing least one of suspended solids, dissolved solids, pollutants, salts and biological materials, wherein membrane separates and permits a differential transfer of water vapor |
| 09/21/2004 | US6793821 Super water-repellent organic/inorganic composite membrane |
| 09/21/2004 | US6793820 Extruding spinning solution while injecting coagulating fluid and drawing into quenching bath; stretching while rinsing; hot water soaking and crosslinking |
| 09/21/2004 | US6793711 Mixed conducting membrane for carbon dioxide separation and partial oxidation reactions |
| 09/21/2004 | CA2047989C Multilayer reverse osmosis membrane of polyamide-urea |
| 09/16/2004 | WO2004079041A1 Method for coating a substrate |
| 09/16/2004 | WO2004078831A1 Porous polytetrafluoroethylene resin body and process for producing the same |
| 09/16/2004 | WO2004078822A1 Amine-cured type epoxy resin electrolyte having a sulfonic acid group and method for preparation thereof |
| 09/16/2004 | WO2004078328A1 Process for preparing semipermeable membranes |
| 09/16/2004 | WO2004078327A1 Method of producing membranes for filtration modules which are intended, for example, for water treatment |
| 09/16/2004 | WO2003101595A3 Nano- and ultrafiltration membrane and method for producing the same |
| 09/16/2004 | US20040178144 Airlift membrane device and membrane bioreactor and bioreactor process containing same |
| 09/16/2004 | US20040178139 Voided polyester film |
| 09/16/2004 | US20040177753 Polyimide membranes |
| 09/16/2004 | CA2514468A1 Method of producing membranes for filtration modules which are intended, for example, for water treatment |
| 09/15/2004 | EP1457253A1 Polyimide membranes |
| 09/15/2004 | EP1457252A1 Plastron-like membrane material with microstructure |
| 09/15/2004 | EP1457251A1 Separating device, analysis system, separation method and method for manufacture of separating device |
| 09/15/2004 | EP1457250A1 Gas separator fixing structure and gas separating device using the same |
| 09/15/2004 | EP1457243A1 Filtering method |
| 09/15/2004 | EP1455919A1 Iodine extraction method |
| 09/15/2004 | EP1286933B1 Method for producing porous inorganic solids on the basis of an aqueous composite particle dispersion |
| 09/15/2004 | EP0775015B1 Zeolite layers with controlled crystal width and preferred orientation grown on a growth enhancing layer |
| 09/15/2004 | EP0769981B1 A zeolite containing composition with a selectivity enhancing coating |
| 09/15/2004 | CN1528500A Method for preparing porous filter membrane of polytetrafluoroethylene electret |
| 09/15/2004 | CN1528499A Raw material for preparing micro-porous membrane of polytetrafluoroethylene |
| 09/15/2004 | CN1528498A Use method of bioester/cellulose acetate composite membrane |
| 09/15/2004 | CN1166566C Method for purifying suspended water by membrane filtration |
| 09/14/2004 | USRE38583 Dissolving cellulose in an aqueous tertiary amine oxide, extruding through nozzle having an oblong extrusion gap, and stretching |
| 09/14/2004 | US6790414 Air enhancement system |
| 09/14/2004 | US6790404 Process of making microporous film |
| 09/14/2004 | US6790263 Polymide gas separation membranes |
| 09/14/2004 | US6790262 Contactor for debubbling an ink |
| 09/10/2004 | WO2004076530A1 Method for producing a polymer system capable of proton exchange, based on polyaryl ether ketones |
| 09/10/2004 | WO2004076041A1 Ceramic nanofiltration membrane for use in organic solvents and method for the production thereof |
| 09/10/2004 | WO2004076039A1 Method for separating dissolved or colloidal solids from non-aqueous solvents |
| 09/10/2004 | WO2004067640A3 Conductive organic-inorganic hybrid material comprising a mesoporous phase, membrane, electrode and fuel cell |
| 09/10/2004 | CA2514946A1 Method for producing a polymer system capable of proton exchange, based on polyaryl ether ketones |
| 09/09/2004 | US20040175625 Membranes made directly from polymer dispersion; chemical resistance, mechanical strength, low liquid crossover; simple, low cost; including such as methyl methacrylate-sulfopropyl methacrylate copolymer; methanol fuel cells |
| 09/09/2004 | US20040173933 Double-layer hollow membrane for bio-reactor applications |
| 09/09/2004 | US20040173529 Liquid-phase separation of low molecular weight organic compounds |
| 09/09/2004 | US20040173506 Nanoengineered membranes for controlled transport |
| 09/09/2004 | US20040173505 Process for the treatment of waste oils |
| 09/09/2004 | US20040173094 carrying out hydrothermal synthesis using raw material solution having containing ratio of 1-adamantanamine to silica of 0.03-0.4, a containing ratio of water to silica of 20-500 and a containing ratio of ethylenediamine to1-adamantanamine of 5-32 |
| 09/09/2004 | DE19857590B4 Keramische Flachmembran und Verfahren zu ihrer Herstellung Flat ceramic membrane and processes for their preparation |
| 09/09/2004 | DE10309135A1 Verfahren zur Herstellung eines zum Protonenaustausch befähigten Polymersystems auf der Basis von Polyaryletherketonen A method for producing a polymer capable of proton exchange system on the basis of polyaryletherketones |
| 09/09/2004 | DE10309009A1 Zeolite coating of polymer-derived ceramics where e.g. aluminum is added to the coating solution and/or ceramic which acts as a carrier and also provides network-formers |
| 09/09/2004 | DE10308111A1 Verfahren zum Abtrennen von gelösten oder kolloidalen Feststoffen aus nicht wässrigen Lösungen A process for separating dissolved or colloidal solids from non-aqueous solutions |
| 09/09/2004 | DE10305866A1 Anorganische Schicht Inorganic layer |
| 09/09/2004 | DE10305864A1 Mehrlagiger Keramikverbund Multilayer ceramic composite |
| 09/09/2004 | DE10148132A9 Ionenleitende Membran für elektrochemische Anwendungen Ion-conducting membrane for electrochemical applications |
| 09/08/2004 | EP1455407A2 Non-perfluoropolymer resins containing ionic or ionizable groups and products containing the same |
| 09/08/2004 | EP1453871A1 A fluorinated ionomeric crosslinked copolymer |
| 09/08/2004 | EP1453762A1 Layered sheet for gas supply in water treatment |
| 09/08/2004 | EP1453593A1 Filter element and filter apparatus for cross-flow filtration processes |
| 09/08/2004 | EP1453591A1 Mesoporous membrane collector and separator for airborne pathogen detection |
| 09/08/2004 | EP1285003B1 Use of a secondary cell wall polymer of procaryotic microorganisms |
| 09/08/2004 | CN1527859A Modification of drawn film |
| 09/08/2004 | CN1527739A Polysulfonamide matrices |
| 09/08/2004 | CN1526758A Non-perfluor polymer resin containing ion or ionizing group |
| 09/08/2004 | CN1166021C Electrochemical reactor cell for reacting oxygen-consuming gas with oxygen-containing gas |
| 09/08/2004 | CN1165369C Polymer composition, membrane containing said composition, method for the production and use thereof |
| 09/08/2004 | CN1165368C Membranes containing sulphonated polyetherketone and another polymer, method for production and use thereof |
| 09/07/2004 | US6787117 Porous hollow fiber membrane having chelate formability and method for recovery of germanium oxide using the porous hollow fiber membrane |
| 09/07/2004 | US6786952 Membrane and use thereof |
| 09/02/2004 | WO2004074811A2 Process for the recovery of sulfuric acid using polymeric membranes |
| 09/02/2004 | WO2004074790A1 Metal coated nanocrystalline silicon as an active surface enhanced raman spectroscopy (sers) substrate |
| 09/02/2004 | WO2004074205A1 Proton-conductive and electron-conductive ceramic |
| 09/02/2004 | WO2004074179A1 Tetravalent metal acid triphosphates |
| 09/02/2004 | WO2004073844A1 Hydrogen separation membrane and process for producing the same |
| 09/02/2004 | WO2004073843A1 Composite materials comprising supported porous gels |
| 09/02/2004 | WO2004073842A1 Filter and filter module |
| 09/02/2004 | US20040168984 Water purification method |
| 09/02/2004 | US20040168981 Using hydrophobic membrane |
| 09/02/2004 | US20040168570 Apparatus and process for separating purified methans |
| 09/02/2004 | US20040168417 Filtering material for filter, filter pack and air filter unit using the same, and method for preparing filtering material |
| 09/02/2004 | DE10306235A1 Verfahren und Anordnung zum Widerstandsnahtschweißen einer Folie und mindestens eines Folienträgers eines Brennstoffzellensystems Method and apparatus for resistance seam welding of a film and at least one film carrier of a fuel cell system |
| 09/02/2004 | DE10304160A1 Substrate, used to carry catalyst samples, for production and activity testing, has gas-permeable membrane with hydrophobic polymer coating |
| 09/02/2004 | CA2515011A1 Process for the recovery of sulfuric acid using polymeric membranes |
| 09/02/2004 | CA2514471A1 Composite materials comprising supported porous gels |
| 09/01/2004 | EP1452507A1 Oxygen ion conducting ceramic material and use thereof |
| 09/01/2004 | EP1452505A1 PORCELAIN COMPOSITION, COMPOSITE MATERIAL COMPRISING CATALYST AND CERAMIC, FILM REACTOR, METHOD FOR PRODUCING SYNTHETIC GAS, APPARATUS FOR PRODUCING SYNTHETIC GAS AND METHOD FOR ACTIVATING CATALYST |
| 09/01/2004 | EP1452219A1 Water-soluble organic material condensation apparatus |
| 09/01/2004 | EP1452193A1 Filter for selectively eliminating leukocytes |
| 09/01/2004 | EP1450938A2 Copolymer coating for a hydrophobic membrane |
| 09/01/2004 | EP1287112B1 Preparing a sample to be analysed from a sample with very large volume |
| 09/01/2004 | EP1235502B1 Drinking straw |