| 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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| 01/31/2007 | CN1903914A Preparation method of polysulfone-polyethylene epoxide block copolymer |
| 01/31/2007 | CN1903417A Titanium dioxide granule modified aromatic polyamide separation film and its prepn. method |
| 01/31/2007 | CN1297590C Modified sulfonamide polymers |
| 01/31/2007 | CN1297588C Polymer film based on polyazoles, and use thereof |
| 01/30/2007 | US7169885 Polyimide membranes |
| 01/30/2007 | US7169847 Suitable for use in electrophoresis formed from a pre-polymer having a plurality of crosslinkable moieties and the crosslinkable moieties being crosslinked with a polyfunctional crosslinking agent, for separating molecules |
| 01/30/2007 | CA2422667C Ceramic-metal composite body, composite structure for transporting oxide ion, and composite body having sealing property |
| 01/25/2007 | WO2007011492A1 Porous ptfe materials and articles produced therefrom |
| 01/25/2007 | WO2007011401A2 Composite mixed oxide ionic and electronic conductors for hydrogen separation |
| 01/25/2007 | WO2007011394A2 Methods to disperse and exfoliate nanoparticles |
| 01/25/2007 | WO2007010832A1 Porous hollow-yarn membrane of vinylidene fluoride resin |
| 01/25/2007 | WO2007010794A1 Process for producing resist composition, filtering apparatus, resist composition applicator, and resist composition |
| 01/25/2007 | US20070017861 Carbon nanocomposite membranes and methods for their fabrication |
| 01/24/2007 | EP1745837A1 Back washing method and system of filtration membrane |
| 01/24/2007 | EP1745835A1 Fluid distribution system and method of operating the same |
| 01/24/2007 | EP1745834A1 Air dehydration membrane |
| 01/24/2007 | EP1646674B1 Asymmetric polymer film, method for the production and the utilization thereof |
| 01/24/2007 | EP1381447B1 Coated membranes |
| 01/24/2007 | EP1322550B1 Metal bearing membranes |
| 01/24/2007 | EP1148933B1 Method of forming an all thermoplastic, perfluorinated resin hollow fiber membrane module |
| 01/24/2007 | CN1901948A Hollow fiber membrane for blood purification and blood purification apparatus including the same |
| 01/24/2007 | CN1899680A Asymmetric porous ceramic micro filter film and its preparing method |
| 01/24/2007 | CN1899679A Asynmmetric porous ceramic super filter film and its preparing method |
| 01/24/2007 | CN1296124C Method for preparing compound nanometer filtering membrane of chitosan sulfate-high molecule polymer |
| 01/23/2007 | US7166644 Porous polymeric membrane comprising vinylidene fluoride |
| 01/23/2007 | US7166443 Microfabricated filter comprising tapered pores for separation and enrichment of nucleated erythrocytes and cancer cells from urine and blood |
| 01/23/2007 | US7166224 Water purification apparatus |
| 01/23/2007 | US7166148 External surfaces of porous hollow fiber tubes are coated with thin layer of selective polymer to increase the number of pores on surface; enriched oxygen air for medical treatment |
| 01/23/2007 | CA2293378C Highly asymmetric polyethersulfone filtration membrane |
| 01/18/2007 | WO2007006300A1 Production of monomer, oligomer and polymer phosphonic acid esters and phosphonic and sulphonic acids by a nucleophile aromatic substitution |
| 01/18/2007 | WO2006102490A3 Continuous coating process for composite membranes |
| 01/18/2007 | WO2006007096A3 An ultrahigh-selectivity oxygen enrichment filled elastomeric silicone polymer membrane incorporating nanofillers |
| 01/18/2007 | US20070014717 Noncracking, reducing pressure loss, and improving mechanical strength when it is used as a gas separation membrane of a molecular sieve membrane, and a pervaporation membrane; involves use of tetrapropylammonium ion (TPA) and silica sol in a specified mixing ratio, calcining |
| 01/18/2007 | US20070012624 Porous PTFE materials and articles produced therefrom |
| 01/18/2007 | US20070012618 Microporous filter |
| 01/18/2007 | US20070012617 Method for producing micro-porous film of thermoplastic resin |
| 01/18/2007 | DE102005031715A1 Membrane of polyaniline, especially for fuel cells, is dosed with a high molecular acid for use as a polymer electrolyte membrane |
| 01/17/2007 | EP1742722A1 Medium having an altered porosity and membrane for the tangential flow filtration of a fluid |
| 01/17/2007 | CN1898310A Microporous membrane made from polyolefin |
| 01/17/2007 | CN1898009A Mixed matrix membranes with low silica-to-alumina ratio molecular sieves and methods for making and using the membranes |
| 01/17/2007 | CN1897338A Modified alcohol-barrier proton exchange film based on hydrophilic area surface and its production |
| 01/17/2007 | CN1895761A Organic steam-separated blend composite film and its production |
| 01/17/2007 | CN1895760A Composite membrane |
| 01/17/2007 | CN1895759A Polytef double-film composite filtering materials |
| 01/17/2007 | CN1895758A Hollow inorganic oxide fibre, its synthesis and use |
| 01/17/2007 | CN1895757A Hollow carbon fibre, its synthesis and use |
| 01/16/2007 | US7163670 Membrane for hydrogen recovery from streams containing hydrogen sulfide |
| 01/16/2007 | US7163622 Filter |
| 01/16/2007 | CA2367842C Resin material for gas separation base and process for producing the same |
| 01/11/2007 | WO2007004684A1 Oxygen excess type metal oxide, and method and apparatus making use of the metal oxide and ceramic for oxygen storage or oxygen selective membrane |
| 01/11/2007 | WO2007004265A1 Filter, casing for filter, and method of assembling filter |
| 01/11/2007 | WO2007004263A1 Filter |
| 01/11/2007 | WO2007004261A1 Filter |
| 01/11/2007 | US20070010628 Cross-linked Sulphonated Polymers and Their Preparation Process |
| 01/11/2007 | US20070009778 Proton conducting membrane using a solid acid |
| 01/11/2007 | US20070007197 System and method for synthesizing a polymeric membrane |
| 01/11/2007 | US20070007195 Composite membrane and process |
| 01/11/2007 | DE19527785B4 Wasserstoff-Trennmembran und Verfahren zu deren Herstellung Hydrogen separation membrane and processes for their preparation |
| 01/11/2007 | DE102005031703B3 Kompositmembran Composite |
| 01/11/2007 | DE102005030970A1 Wässrige Formulierungen enthaltend Säuregruppen tragende polyaromatische Verbindungen Aqueous formulations containing acid groups polyaromatic compounds bearing |
| 01/10/2007 | EP1740291A1 Membrane for separating co2 and process for the production thereof |
| 01/10/2007 | EP1368110B1 Functionalised polyimide moulded body and functionalised polyimide membrane |
| 01/10/2007 | CN1894308A Block copolymer and its use |
| 01/10/2007 | CN1294416C Blood testing unit |
| 01/10/2007 | CN1293936C Method for preparing preferential dealcoholized separating membrane |
| 01/09/2007 | US7160927 Sulfonation of polymer using sulfuric acid |
| 01/09/2007 | US7160603 Coating on temporary carrier; lamination |
| 01/09/2007 | US7160356 Dithiolene functionalized polymer membrane for olefin/paraffin separation |
| 01/09/2007 | US7159446 Particulate matter concentration measuring apparatus |
| 01/09/2007 | CA2192858C A barrier material comprising a thermoplastic and a compatible cyclodextrin derivative |
| 01/04/2007 | WO2007001240A1 Surface treatment of alumina films |
| 01/04/2007 | WO2007000048A1 Membrane array and analytical device |
| 01/04/2007 | US20070003808 Membranes for fuel cells, method for producing said membranes and production of fuel cells using membranes of this type |
| 01/04/2007 | US20070001323 Multi-layered membrane for air diffuser |
| 01/04/2007 | CA2612450A1 Membrane array and analytical device |
| 01/03/2007 | EP1737797A1 Tubular membrane made of silicone elastomer |
| 01/03/2007 | EP1737560A1 Process for producing hollow capillary polymeric membranes for the treatment of blood and its derivatives |
| 01/03/2007 | EP1737553A2 Gas/ion species selective membrane supported by multi-stage nano-hole array metal structure |
| 01/03/2007 | EP1251970B1 Method for preparation of thermally and mechanically stable metal/porous substrate composite membranes |
| 01/03/2007 | EP1113859B1 Methods for treating fluids |
| 01/03/2007 | CN1887414A Prepn process of ultrafiltering hollow fiber membrane with inner modified polyacrylonitrile layer |
| 01/03/2007 | CN1293123C Modification of engineering-polymers with basic N groups and ion-exchange groups in the side chain |
| 01/03/2007 | CN1292826C Composite semipermeable membrane, method for preparing same and method for water treatment using same |
| 01/02/2007 | US7157165 Oxygen separation membranes; stacks; electroconductivity; electrocatalysts; electrical resistance |
| 01/02/2007 | US7157117 Functionalization of porous materials by vacuum deposition of polymers |
| 01/02/2007 | US7156997 Package assembly for piperazine-based membranes |
| 01/02/2007 | CA2437598C Device for reducing the presence of moisture within an enclosure containing a heat source |
| 01/02/2007 | CA2336149C A membrane or matrix for controlling the permeation rate of drugs |
| 12/28/2006 | WO2006136555A1 Method for producing an aqueous polymer dispersion |
| 12/28/2006 | WO2006135966A1 Cross linking treatment of polymer membranes |
| 12/28/2006 | US20060292324 Uniaxially and biaxially-oriented polytetrafluoroethylene structures |
| 12/28/2006 | US20060289352 crosslinked addition-condensation copolymer contains a polyester endcapped with a vinyl polymerized compound such as acrylic acid, methacrylic acid; use in petroleum industry pervaporation technology to reduce energy costs; stability; for separation of aromatic hydrocarbon from aliphatic hydrocarbon |
| 12/28/2006 | US20060289351 Nanostructures synthesized using anodic aluminum oxide |
| 12/28/2006 | US20060288677 carbonization of an aromatic polyimide, free of cracks and pinholes; controll the shrinkage; for separation of oxygen/nitrogen from air and for reducing VOC concentration of air |
| 12/28/2006 | DE10318372B4 Hochtrennende Molekularsiebmembran für Gase und Dämpfe und Verfahren zu ihrer Herstellung High molecular sieve separates gases and vapors and processes for their preparation |
| 12/28/2006 | DE10159169B4 Trägermembran für die Wasserstoffabscheidung Support membrane for hydrogen separation |
| 12/27/2006 | EP1735080A2 High-selectivity supported sapo membranes |
| 12/27/2006 | EP1682252A4 Titania composite membrane for water/alcohol separation, and preparation thereof |
| 12/27/2006 | EP1337319B1 Novel membranes having improved mechanical properties, for use in fuel cells |
| 12/27/2006 | EP1325062B1 Uv-assisted grafting of pes membranes |