Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
10/2002
10/17/2002DE10117687A1 Protonenleitende Membran und deren Verwendung The proton-conducting membrane and their use
10/16/2002EP1249269A2 Thermoplastic resin porous film
10/16/2002CN1374880A Chemically active filter material
10/16/2002CN1374253A Method of separating precipitated super-fine barium sulfate grains from suspension liquid containing impurity ions
10/16/2002CN1092561C Microporous membrane with stratified pore structure generated in situ and producing method
10/15/2002WO2002064241A1 Hydrogen-permeable structure and method for manufacture thereof or repair thereof
10/15/2002US6465120 Condensation polymerization of polyanilines on the surfaces of nafion to form solid electrolytes having electroconductivity and methanol barrier properties
10/15/2002US6465050 Aqueous solution of polyoxyalkylene glycol and another monomer
10/15/2002US6464953 Lanthanum is partially substituted with an alkali metal, an alkaline-earth metal or a rare earth and the element m is partially substituted with an alkaline-earth metal or zinc; spray drying salts, calcining
10/15/2002US6464881 Inorganic nanofiltration membrane and its application in the sugar industry
10/15/2002US6464880 Nonporous materials are subjected to ester hydrolysis to generate site-specific perforations; oxidatively stable, hydrophilic, filtration in presence of hydrogen peroxide; perfluorinated ionomer
10/15/2002US6464873 Polyfunctional aromatic or cycloaliphatic acyl halide reactant; high flux rates and low pressures with high sulfate rejection.
10/15/2002US6464755 Gas separation membrane and method for its use
10/15/2002CA2406207A1 Hydrogen-permeable structure and method for manufacture thereof or repair thereof
10/15/2002CA2118423C Hydrophilic microporous polyolefin membrane
10/12/2002CA2381509A1 Porous film
10/10/2002WO2002038197A3 Devices that change size/shape via osmotic pressure
10/10/2002WO2002018928A3 Chromatography and other adsorptions using modified carbon-clad metal oxide particles
10/10/2002US20020147282 Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof
10/10/2002US20020144947 Solution dewatering with conconmitant ion removal
10/10/2002US20020144944 Inert fluoropolymeric support on which perfluorinated polymeric ionomer is deposited, the ionomer being under amorphous form and having SO2X, COOH etc hydrophilic group in acid form
10/10/2002US20020144899 Porous hydrophilic membranes
10/10/2002US20020144595 Forming fluorosulfone coating on surface of filtration substrate; filters have high water penetration pressures and high air permeabilities; medical equipment
10/10/2002DE10116391A1 Sulfoniertes Polyetherketonketon Sulfonated polyether
10/10/2002DE10116232A1 Molded articles with internally coated cavities, useful as e.g. sensors, are prepared by forming template fibers with selective removal of material
10/09/2002EP1247560A1 Porefree breathable menbrane comprising polyamide 4.6
10/09/2002EP1246696A2 Oxidative reactions using membranes that selectively conduct oxygen
10/09/2002EP1246688A1 Paste, which can undergo screen printing, for producing a porous polymer membrane for a biosensor
10/09/2002CN1373683A Corrosion-resistant filter element
10/09/2002CN1373678A Flow control and filtration method and apparatus
10/09/2002CN1372999A Hollow fibre filter nano membrane and its preparing process
10/08/2002US6461724 Material comprising semi-crystalline polypropylene and compatible, amorphous, glassy polymer, which are miscible in compound when heated above melting point of polypropylene and phase separate from it when cooled below crystallization point
10/08/2002US6461524 Method of filtering a fluid
10/08/2002US6461408 Hydrogen generator
10/08/2002US6461406 Honeycomb type gas separating membrane structure
10/03/2002WO2002078110A2 Dendrimer-containing proton conducting membrane for fuel cells
10/03/2002WO2002077522A2 Device for reducing the presence of moisture within an enclosure containing a heat source
10/03/2002WO2002077068A2 Sulfonated polyetherketoneketone
10/03/2002WO2002076909A1 Porous silicon nitride article and method for production thereof
10/03/2002WO2002076908A1 Porous silicon nitride article and method for production thereof
10/03/2002WO2002076594A1 Composite semipermeable membrane, method for preparing the same and method for water treatment using the same
10/03/2002WO2002076593A1 Hydrophilic hollow fiber ultrafiltration membranes that include a hydrophobic polymer and a method of making these membranes
10/03/2002WO2002076591A1 Filtration unit
10/03/2002WO2002058205A3 Proton-selective conducting membranes
10/03/2002WO2002043937A3 Method of making a product with a micro or nano sized structure and product
10/03/2002US20020142207 Solid polymer electrolyte material, liquid composition, solid polymer fuel cell and fluoropolymer
10/03/2002US20020142172 Inorganic dual-layer microporous supported membranes
10/03/2002US20020141920 For recovering hydrogen; chemisorption-dissociation-diffusion
10/03/2002US20020141919 For high temperture catalytic removal of hydrogen from gas stream; porosity; chemisorption-dissociation-diffusion transport
10/03/2002US20020139738 Filtering apparatus, back wash method therefor, filtering device and power plant
10/03/2002US20020139719 Polyvinylpyrrolidone and cellulose triacetate hydrophilic non-ionic membranes
10/03/2002US20020139095 Oleophobic filter materials for filter venting applications
10/02/2002EP1245276A2 Improved solid media
10/02/2002EP0758349B1 Surface-modifying endgroups for biomedical polymers
10/02/2002DE10113465A1 Filtrationseinheit Filtration unit
10/02/2002CN1372531A Zeolite formed product, zeolite laminate intermediate, zeolite laminate composite and method for their preparation
10/02/2002CN1371935A 多孔亲水薄膜 Porous hydrophilic film
10/02/2002CN1371934A 多孔亲水膜 Porous hydrophilic membrane
10/02/2002CN1091633C Reactive purge for solid electrolyte membrane gas separation
10/01/2002US6458310 Process of making a polymeric material having a microporous matrix
10/01/2002US6458189 Hydrogen-selective metal membrane modules and method of forming the same
09/2002
09/26/2002WO2002075835A2 Polymer electrolyte membrane fuel cell
09/26/2002WO2002074423A1 Method for producing a hollow fibre membrane module or a capillary membrane module
09/26/2002WO2002074421A1 Apparatus and method for separating gases
09/26/2002WO2002074420A1 Oxygen enhanced cda modification to a cdo integrated scrubber
09/26/2002WO2001019438A9 Flow control and filtration method and apparatus
09/26/2002US20020137806 Graft polymeric membranes and ion-exchange membranes formed therefrom
09/26/2002US20020135087 Extrusion method and apparatus
09/26/2002US20020134235 Method for debubbling an ink
09/25/2002EP1243311A1 Blood treating membrane, blood treating container and process for producing the same
09/25/2002EP1243310A2 Method for debubbling an ink
09/25/2002EP1243299A2 Microstructured filter
09/25/2002EP1242638A1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds
09/25/2002EP1242514A1 Membrane for fuel cells
09/25/2002EP1242511A1 Latices from emulsified hydrocarbon rubber solutions by membrane separation
09/25/2002CN1371463A Drying and/or dry process preservation method using semi-permeable membrane
09/24/2002US6454946 Carbohydrate purification using ultrafiltration, reverse osmosis and nanofiltration
09/24/2002US6454274 Joint assembly for joining a ceramic membrane to a tube sheet
09/24/2002CA2081587C Asymmetric semipermeable membranes of aromatic polycondensates, processes for their preparation and their use
09/19/2002WO2002072678A1 High temperature, carbon monoxide-tolerant perfluorosulfonic acid composite membranes and methods of making same
09/19/2002WO2002072668A1 Polyimide moulded bodies, in particular polyimide membranes, method for production thereof and use of the polyimide membrane
09/19/2002WO2002072667A1 Method for the production of functionalised polyimide polymers
09/19/2002WO2002072249A1 Asymmetrically functionalized polyimide membrane, method for the production thereof and use thereof as a carrier membrane for bio-hybrid organs
09/19/2002WO2002072248A1 Microporous film and method for preparation thereof
09/19/2002WO2002072247A1 Hollow fiber membrane, hollow fiber membrane module, and water purifier
09/19/2002WO2002072246A1 Functionalised polyimide moulded body and functionalised polyimide membrane
09/19/2002WO2002072242A1 Heat and moisture exchange device
09/19/2002WO2002036249A9 Novel membranes having improved mechanical properties, for use in fuel cells
09/19/2002WO2002026633A8 Adsorption container and iron oxide adsorber
09/19/2002US20020132107 Porous polyethylene membrane
09/19/2002US20020130435 Systems and methods for manufacturing reinforced, three-zone microporous membrane
09/19/2002US20020130079 Ionic membranes for organic sulfur separation from liquid hydrocarbon solutions
09/19/2002US20020130078 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
09/19/2002DE10111666A1 Polyimid-Formkörper, insbesondere Polyimid-Membranen, Verfahren zu dessen bzw. deren Herstellung und die Verwendung der Polyimid-Membran Polyimide mold, particularly polyimide membranes, processes for its or their preparation and the use of the polyimide membrane
09/19/2002DE10111665A1 Funktionalisierte Polyimid-Formkörper und funktionalisierte Polyimid-Membran Polyimide mold functionalized and functionalized polyimide membrane
09/19/2002DE10111664A1 Asymmetrisch funktionalisierte Polyimid-Membran, Verfahren zu deren Herstellung und deren Verwendung als Trägermembran für Biohybridorgane Functionalized asymmetric polyimide membrane, process for their preparation and their use as a support membrane for Biohybridorgane
09/19/2002DE10111663A1 Verfahren zur Herstellung von funktionalisierten Polyimid-Polymeren A process for the preparation of functionalized polymers, polyimide-
09/19/2002CA2440961A1 Heat and moisture exchange device
09/18/2002EP1240935A2 Filtering medium for air filters and process for producing the same
09/18/2002CN1370093A Filter membranes for physiologically active substances