Patents
Patents for B01D 69 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor (16,729)
09/2003
09/10/2003CN1441693A Composite membrane and method for making same
09/10/2003CN1441692A Hollow thread film cartridge, hollow thread film module using cartridge and tank type filter
09/10/2003CN1440932A Membrane bioreactor
09/04/2003WO2003073543A2 Flexible electrolyte membrane based on a carrier comprising polymer fibers and on a proton-conducting material, method for the production thereof, and use thereof
09/04/2003WO2003072854A2 Composites and composite membranes
09/04/2003WO2003072640A2 Compositions comprising continuous networks and monoliths
09/04/2003WO2003072233A1 Composite membrane, method for the production thereof and the use of the membrane
09/04/2003WO2003072232A1 Hybrid membrane, method for producing the same and use of said membrane
09/04/2003WO2003072231A2 Ceramic membrane based on a substrate containing polymer or natural fibres, method for the production and use thereof
09/04/2003WO2003064003A8 Convoluted surface hollow fiber membranes
09/04/2003US20030165740 Conductive sheet material
09/04/2003US20030164090 Novel polyimide amic acid salts and polyimide membranes formed therefrom
09/03/2003EP1339777A2 Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof
09/02/2003US6613384 Manufacturing a dense and crack-free ceramic membrane which selectively transports oxygen when it is subjected to an oxygen partial pressure gradient, by the following steps: a) preparation of a porous ceramic substrate, with an open
09/02/2003US6613203 Ion conducting membrane having high hardness and dimensional stability
09/02/2003US6613131 Gas-liquid separation membrane and production method thereof
09/02/2003US6612447 Flexible housing and filter; one step sterilization; non-cracking during heating
08/2003
08/28/2003WO2002036230A9 pH DEPENDENT MEMBRANE DIFFUSION
08/28/2003US20030159985 Polyimide membrane; applying charging radiation; etching
08/28/2003US20030159984 Polyamide membrane exhibiting an increased hydrolysis stability and method for the production thereof
08/28/2003US20030159980 Solvent-resistant microporous polybenzimidazole membranes
08/27/2003EP1338329A1 Process for making nanostructures in membranes and asymmetric membranes
08/27/2003EP1338328A1 Immersion type membrane filter
08/27/2003EP1337319A1 Novel membranes having improved mechanical properties, for use in fuel cells
08/27/2003EP1337317A2 Chemical process system with multi-functional barrier filter
08/27/2003EP1337307A1 Apparatus for purifying water
08/21/2003WO2003069711A2 Flexible electrolyte based on a glass fabric, method for the production and utilization thereof
08/21/2003WO2003069708A2 Electrolyte membrane comprising a diffusion barrier, membrane electrode units containing said membranes, method for the production thereof and specific uses of the same
08/21/2003WO2003068853A1 Cluster ion exchange membrane, and electrolyte membrane electrode connection body
08/21/2003WO2003068374A1 Halar membranes
08/21/2003WO2003068373A2 Micro-fluidic anti-microbial filter
08/21/2003US20030157408 Microporous membrane and its uses thereof
08/21/2003US20030157314 Porous composite product particularly with high specific surface area, method for preparing and electrode for electrochemical assembly formed with a porous composite film
08/21/2003US20030156992 Microfluidic systems including three-dimensionally arrayed channel networks
08/21/2003US20030155294 Hemodialysis; cylinder housing, fiber bundles
08/21/2003US20030155290 Multichannel element and method for making same
08/21/2003US20030155244 Method for making a bipolar membrane and use of resulting bipolar membrane
08/21/2003US20030154700 Module for use as a filter, catalytic converter, or heater, and method for the manufacture thereof
08/21/2003CA2733826A1 Methods of forming poly(ethylene chlorotrifluoroethylene) membranes
08/21/2003CA2475800A1 Micro-fluidic anti-microbial filter
08/20/2003EP1335788A1 Mixed matrix membranes with pyrolized carbon sieve particles and methods of making and using the same
08/20/2003EP1335758A2 Devices that change size/shape via osmotic pressure
08/20/2003CN2566940Y Composite ion exchange film
08/20/2003CN1118317C Microstructural separator
08/14/2003WO2003067691A2 Polymer electrolyte membranes for use in fuel cells
08/14/2003WO2003066202A1 Pre-metered, unsupported multilayer microporous membrane
08/14/2003US20030153700 Pressurizign a mini-emulsion of a mixture of deionized water, a perfluorinated surfactant, a liquid perfluorinated hydrocarbon, and an ionomeric monomer with a fluorinated alkene gas, polymerizing, adding a vinyl ether monomer
08/14/2003US20030150808 Separating film, separating film element, separating film module, sewage and waste water treatment device, and separating film manufacturing method
08/14/2003US20030150795 Polymer blends and methods of separation using the same
08/14/2003US20030150791 Micro-fluidic anti-microbial filter
08/14/2003US20030150790 Filtering membranes on the basis of welded polymer structures and method for manufacture thereof
08/13/2003EP1334764A2 Hydrogen-permeable membrane and manufacturing method of the same
08/13/2003EP1333916A1 Conversion of methane and hydrogen sulfide in non-thermal silent and pulsed corona discharge reactors
08/13/2003EP1242313A4 Waste water treatment system
08/13/2003CN1117608C Membrane module for cross-curent filter apparatus
08/13/2003CN1117600C Filter medium and air filter unit using same
08/12/2003US6605391 Solid gel membrane
08/12/2003US6605218 Drying the semipermeable membrane and saturating the dried semipermeable membrane with water ratio of not smaller than 100% based on the dry weight of the membrane, providing an inert gas, irradiating the membrane with gamma-ray
08/12/2003US6605140 Composite gas separation membranes
08/07/2003WO2003064015A2 Polymer blends and methods of separation using the same
08/07/2003WO2003064014A1 Hollow fiber microfiltration membranes and a method of making these membranes
08/07/2003WO2003064003A1 Convoluted surface hollow fiber membranes
08/07/2003WO2003063995A2 Spiraled surface hollow fiber membranes
08/07/2003US20030148884 Permselectivity, a catalyst layer, separator in a fuel cells
08/07/2003US20030148062 Membranes and methods of manufacture thereof
08/07/2003CA2474247A1 Polymer blends and methods of separation using the same
08/07/2003CA2473286A1 Spiraled surface hollow fiber membranes
08/07/2003CA2473246A1 Convoluted surface hollow fiber membranes
08/06/2003CN1434741A Composite ceramic membrane oxygen separation method
08/05/2003US6602593 Battery separators with reduced splitting propensity
08/05/2003US6602466 Apparatus and method for controlled delivery of a gas
08/05/2003US6602415 Polymeric membrane for separation of fluids under elevated temperature and/or pressure conditions
08/05/2003US6602398 Transporting cation through channel in assay using membrane comprising phospholipid bilayer or multilayer which separates two aqueous regions, and one or more channels produced from pure mixture of polyhydroxybutyrate and polyphosphate
07/2003
07/31/2003WO2003061812A2 Polyolefin membrane with an integrally asymmetric structure and method for the production thereof
07/31/2003WO2003014201A8 Membranes for ion transport
07/31/2003US20030141251 Used for filtering liquids, such as wine and juice, so as to remove bacteria, gel, and solid particles
07/31/2003US20030141242 Porous support matrices; permselective membrane
07/31/2003US20030141238 Spiraled surface hollow fiber membranes
07/31/2003US20030140790 Induced electrostatic module of porous dielectric and electrodes and three-dimensional grid system with periodicity; high efficiency air filters
07/31/2003US20030140789 Molecular sieve dispersed in polymer; separating gas, liquid mixture
07/30/2003EP1330348A1 Device for producing a polymer membrane
07/30/2003EP1301559A4 Modified sulfonamide polymers
07/30/2003EP1301256A4 Method for modifying membrane rejection characteristics
07/30/2003EP1126960B1 Method for producing foams made of polymers or polymer mixtures
07/30/2003EP1115676B1 Method for producing hollow fibres
07/30/2003EP1094886B1 Microstructured separation device
07/30/2003CN2562856Y Concave and convex type equal thickness ion exchange membrane
07/30/2003CN1432427A Processing system with spiral membrane element and its operation process
07/30/2003CN1116509C Method for producing oxidized product and generating power using solid electrolyte membrane integrated with gas turbine
07/30/2003CN1116100C Polycrylonitrille based hollow fiber filtration membrane
07/30/2003CN1116098C Prep. of hollow alumina fiber film
07/29/2003CA2274904C Steam reformer with internal hydrogen purification
07/24/2003WO2003061050A1 Porous membrane based on a mixture of a fluoropolymer and a silane
07/24/2003WO2003059496A2 Microporous holow fiber membrane with lengthwise variable mechanical and filtration properties and the method of their preparation
07/24/2003WO2002092497A3 Method for fabrication of a molecular filter and apparatus formed by the same
07/24/2003US20030138619 Plasma treatment of porous materials
07/24/2003US20030136727 Composite semipermeable membrane
07/23/2003EP1328327A2 Chromatography and other adsorptions using modified carbon-clad metal oxide particles
07/23/2003EP1140333B1 Microporous flat, capillary or tubular membrane and method of manufacturing the same
07/23/2003CN2561500Y Concavo-convex plate-frame ion exchnage film bags