Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
09/2003
09/25/2003WO2003078036A1 Method of filtering particules from a liquid, liquid filtering device and membrane
09/25/2003US20030180425 Polyether containing ethylene glycol
09/25/2003US20030178507 Nozzle device and nozzle for atomisation and/or filtration and methods for using the same
09/25/2003US20030178368 Charged filtration membranes and uses therefor
09/25/2003CA2473220A1 Photo-processing and cleaning of pes and psf membranes
09/24/2003EP1345760A2 pH DEPENDENT MEMBRANE DIFFUSION
09/24/2003EP1345674A1 Cation-conducting or proton-conducting ceramic membrane based on a hydroxysilylic acid, method for the production thereof and use of the same
09/24/2003EP1345673A2 Low pressure reverse osmosis and nanofiltration membranes and method for the production thereof
09/24/2003EP1105436B1 Puncture-resistant polyolefin membranes
09/24/2003CN1121896C Integrally asymmetrical polyolefin membrane, its making method and use for gas transfer
09/23/2003US6623709 Continuous pressure on the reagent bed causes the bed to compact as it erodes when purified water is passed through the housing; ensures complete and even dissolution of the reagents.
09/23/2003US6623639 Forming hollow fiber membrane having high nitrogen permeance, tensile strength and elongation at the break
09/23/2003US6622872 Micromachined membrane particle filter using parylene reinforcement
09/18/2003WO2003076056A1 Capillary membrane and device for production thereof
09/18/2003WO2003076055A1 Method for producing fabric-reinforced capillary membranes, in particular for ultrafiltration
09/18/2003US20030175494 Porous composite product in particular with a high specific surface preparation process and electrode formed of a porous composite film for an electro-chemical assembly
09/18/2003US20030175413 Neutralization charging surfaces at interface
09/18/2003CA2478831A1 Capillary membrane and device for production thereof
09/16/2003CA2179369C Method of producing microporous thermoplastic resin membrane
09/12/2003WO2003074595A1 Mixture comprising sulphonic acid containing vinyl, polymer electrolyte membrane comprising polyvinylsulphonic acid and the use thereof in fuel cells
09/12/2003WO2003024576A3 Filtration membrane
09/12/2003WO2003022412A3 Proton-conducting membrane and the use of the same
09/12/2003CA2477863A1 Mixtures comprising vinyl-containing sulphonic acid, polymer electrolyte membranes comprising polyvinylsulphonic acid and their use in fuel cells
09/12/2003CA2477427A1 A process for preparing semipermeable membranes having improved permeability
09/11/2003WO2003074152A1 A process for preparing semipermeable membranes having improved permeability
09/11/2003US20030168764 Method for producing thermoplastic resin micro-porous film
09/11/2003US20030168404 Microporous membranes and uses thereof
09/11/2003US20030168396 Monolithic filter body and fabrication technique
09/10/2003EP1341655A2 Method of making a product with a micro or nano sized structure and product
09/10/2003CN1441692A Hollow thread film cartridge, hollow thread film module using cartridge and tank type filter
09/04/2003WO2003072854A2 Composites and composite membranes
09/04/2003WO2003072641A1 Oligomers and polymers containing sulfinate groups, and methods for producing the same
09/04/2003WO2003072640A2 Compositions comprising continuous networks and monoliths
09/04/2003WO2003072352A1 Porous compositions comprising surface modified monoliths
09/04/2003WO2003072232A1 Hybrid membrane, method for producing the same and use of said membrane
09/04/2003WO2002087001A3 Polymer electrolyte membrane
09/03/2003EP1339777A2 Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof
09/03/2003EP1339481A1 Apparatus for extracorporeal blood or plasma treatment comprising a wet semipermeable membrane and methods for making same
09/03/2003CN1440438A Polymers and polymer membranes covalently cross-linked sulphinate alkylation
09/02/2003US6615078 Methods and devices for removing interfering species
09/02/2003US6613241 MEMS elements with integrated porous membranes and method of making the same
09/02/2003US6613131 Gas-liquid separation membrane and production method thereof
08/2003
08/28/2003WO2003070784A1 The method of chemical surface modification of polytetrafluoroethylene materials
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
08/27/2003EP1337319A1 Novel membranes having improved mechanical properties, for use in fuel cells
08/27/2003EP1337317A2 Chemical process system with multi-functional barrier filter
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
08/21/2003WO2003068374A1 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
08/21/2003US20030157248 Mesoporous materials and methods
08/21/2003US20030156992 Microfluidic systems including three-dimensionally arrayed channel networks
08/21/2003CA2733826A1 Methods of forming poly(ethylene chlorotrifluoroethylene) membranes
08/21/2003CA2475800A1 Micro-fluidic anti-microbial filter
08/20/2003CN1437629A Method for producing thermoplastic resin micro-porous film
08/14/2003WO2003066202A1 Pre-metered, unsupported multilayer microporous membrane
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
08/13/2003EP1334763A1 Hydrophilized membrane and method of hydrophilization therefor
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
08/12/2003US6605214 Devices for preparing hemodialysis solutions
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
08/07/2003US20030148884 Permselectivity, a catalyst layer, separator in a fuel cells
08/07/2003US20030148062 Membranes and methods of manufacture thereof
08/07/2003US20030148017 Membrane with a copolymer that contains at least one hydrophilic segment and at least one hydrophilic segment, such as a PEO-PPO-PEO triblock copolymer, so that the surface of the membrane becomes hydrophilic. The hydrophilic coating
08/07/2003CA2474247A1 Polymer blends and methods of separation using the same
08/05/2003US6602593 Battery separators with reduced splitting propensity
08/05/2003US6602397 Method for producing a filter
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
07/31/2003US20030140789 Molecular sieve dispersed in polymer; separating gas, liquid mixture
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
07/30/2003EP0820343B1 Method of making filter cartridges having track etched membranes
07/30/2003CN1116100C Polycrylonitrille based hollow fiber filtration membrane
07/29/2003US6598750 Micromachined membrane particle filter using parylene reinforcement
07/24/2003WO2003060012A1 Functionalized main chain polymers
07/24/2003WO2003060011A2 Modified covalently cross-linked polymers
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
07/24/2003US20030135971 Bundle draw based processing of nanofibers and method of making
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
07/23/2003CN1431926A Polyamide membrane exhibiting in creased hydrolysis stability and method for prodn. thereof
07/22/2003US6596173 Inorganic filtering material modified with organomineral grafting and preparation method
07/22/2003US6596167 A hydrophilic hollow fiber membrane, comprising: a hydrophobic polymer; and a water-soluble polymer-metal complex entangled with said hydrophobic polymer.
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