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)
06/2004
06/10/2004CA2506889A1 Fold protection for spiral filtration modules utilizing uv cured adhesive and method of providing same
06/09/2004EP1426098A1 Semipermeable composite membrane and process for producing the same
06/09/2004EP1425336A2 Method for producing a membrane from a cross-linked polymer blend, and corresponding fuel cell
06/09/2004EP1425085A2 High strength asymmetric cellulosic membrane
06/09/2004CN1152829C Apparatus and method for purificatino of water
06/08/2004US6746309 Generating block from silicon particles collected during waste water treatment; melting for recycling
06/03/2004WO2004046716A1 Plasma or serum separation membrane and filter apparatus including the plasma or serum separation membrane
06/03/2004WO2004045750A1 Method for producing pores in a thin polyimide sheet
06/03/2004WO2004005131A9 Gas valve
06/03/2004US20040106044 Polymer membranes
06/03/2004US20040104170 Use of membranes to separate organic liquids having different polarities
06/03/2004DE10254718A1 Hydrophober, stoffdurchlässiger Verbundwerkstoff mit selbstreinigenden Eigenschaften Hydrophobic permeable composite material with self-cleaning properties
06/02/2004EP1424311A1 Method of multi-stage reverse osmosis treatment
06/02/2004EP1424124A1 Membrane and use thereof
06/02/2004EP1423160A2 Catheter and method for producing the same
06/02/2004CN1501833A Immersion type membrane filter
06/02/2004CN1500544A Method for producing hollow fibrous membrane using vacuum spinning technology
06/02/2004CN1500543A Nonwoven fabric filtering-membrane pipe, its manufacture method and application
06/02/2004CN1151865C Ion selective membrane, its making method, its use and instrument with the said membrane
06/02/2004CN1151864C Membrane and its use
05/2004
05/27/2004WO2004044120A2 Multiwell insert device that enables label free detection of cells and other objects
05/27/2004WO2004043666A1 Process for producing porous film and porous film
05/27/2004WO2004043579A1 Composite porous membrane and method of manufacturing the membrane
05/27/2004US20040101760 Organic-inorganic membranes
05/27/2004US20040099598 Fold protection for spiral filtration modules utilizing UV cured adhesive and method of providing same
05/27/2004US20040099597 Hollow membranes with capillary tubes, fluid treatment modules that use them and methods of manufacturing them
05/27/2004DE10231577A1 Verfahren zum Erzeugen von Poren oder Kanälen in einem metallischen Werkstoffkörper und nach dem Verfahren hergestellter Metallkörper A method for generating pores or channels in a metallic material body and metal body produced by the method
05/26/2004EP1421988A1 DEVICE AND METHOD FOR MANUFACTURING CARBONATED SPRING AND CARBONIC WATER, CONTROL METHOD FOR GAS DENSITY APPLIED THERETO, AND MEMBRANE MODULE
05/26/2004CN1499995A Filtering material for filter, filter pack and air filter unit using same, and method for preparing filtering material
05/26/2004CN1150961C Methods for reforming polymer surface for improved wettablilty
05/26/2004CN1150959C Antimicrobial filter cartridge
05/25/2004US6740143 Mixed matrix nanoporous carbon membranes
05/21/2004WO2004041714A2 Hydrogen generator
05/21/2004WO2004041397A2 Preparation of asymmetric membranes using hot-filament chemical vapor deposition
05/19/2004EP1171384A4 Proton conducting membrane using a solid acid
05/19/2004DE10262009A1 Polymerelektrolytmembran-Brennstoffzelle mit einer verstärkten Polymerelektrolytmembran A polymer electrolyte membrane fuel cell having a reinforced polymer electrolyte membrane
05/19/2004DE10262007A1 Polymerelektrolytmembran-Brennstoffzelle mit einer verstärkten Polymerelektrolytmembran A polymer electrolyte membrane fuel cell having a reinforced polymer electrolyte membrane
05/19/2004DE10250316A1 Reinforced polymer membrane, used as polymer electrolyte membrane in fuel cell or dialysis or separation membrane, has acid polymer and basic organic reinforcement layers adhering by electrostatic interaction
05/19/2004DE10250314A1 Reinforced polymer membrane, used as electrolyte membrane in fuel cell or as dialysis or separation membrane, has acid polymer and basic reinforcement layers adhering by electrostatic interaction
05/18/2004US6737111 Polymeric membrane components reside within the interstitial gaps of the substrate; ultra-thin; polymerization and crosslinking of polyacrylamide gel
05/18/2004US6736971 Pre-metered, unsupported multilayer microporous membrane
05/18/2004US6736961 Removal of sulfur from a hydrocarbon through a selective membrane
05/13/2004WO2004040685A2 Modification of fibers, non-wovens and fabric materials and use thereof in fuel cells
05/13/2004WO2004039870A2 Size for glass fibers and use thereof in cation exchange membranes
05/13/2004WO2004039481A1 Membrane for tangential filtration and production method thereof
05/13/2004US20040092607 Water purification by polymer colloids
05/13/2004US20040091397 Multiwell insert device that enables label free detection of cells and other objects
05/13/2004US20040089550 Aqueous active alkali silicate solution having high molar ratio, method for production thereof and method for use thereof
05/12/2004EP1246688B1 Paste, which can undergo screen printing, for producing a porous polymer membrane for a biosensor
05/12/2004EP1154841B1 Porous composite membrane, and a method of treating a membrane
05/12/2004EP1059980B1 Antimicrobial filter cartridge
05/12/2004CN1494940A Air filtering assembly and device
05/12/2004CN1149250C Melt-spun polysulfone semipermeable membranes and methods for making the same
05/11/2004US6734386 Coating microporous membrane with monomer; drying, exposure to plasma; curing; pleating and incorporation into filter cartridge
05/11/2004US6733675 Feeding liquid containing a chemical having a contaminant separating or a sterilizing function from one end of spiral wound membrane element and taking out permeated liquid at the end of perforated hollow pipe
05/11/2004CA2268808C Inorganic nanofiltration membrane and its application in the sugar industry
05/06/2004WO2004038823A2 High water permeability proton exchange membrane
05/06/2004WO2004037508A1 Heat-resistant film and composite ion-exchange membrane
05/06/2004WO2003022394A3 Process for treating a lipophilic fluid
05/06/2004US20040086764 Polymer membrane material is irradiated; irradiated polymer membrane material is sulfonated in order to link sulfonic acid groups to it
05/06/2004US20040086632 Heating a surface of the ion-exchange membrane; depositing a catalyst onto the heated surface of the ion-exchange membrane; compacting the catalyst into the ion-exchange membrane
05/06/2004US20040084365 Solvent-resistant microporous polybenzimidazole membranes and modules
05/06/2004US20040084364 Process of forming multilayered structures
05/06/2004EP1064139B1 Process of making reinforced, three zone microporous membrane
05/06/2004DE20023323U1 Hohlfasermembran und geflochtene rohrförmige Halterung für die Membran Hollow fiber membrane and braided tubular support for the membrane
05/06/2004DE10248750A1 Verfahren zur kontinuierlichen Herstellung von tubularen Membranen A process for the continuous production of tubular membranes
05/06/2004DE10244914A1 Apparatus with nanodevice for controlling charged particle flow in electrolytes comprises electrolytic bath container divided by polymeric foil, asymmetric pore, electrically conductive layer and gate voltage supply
05/06/2004CA2503433A1 Heat-resistant film and composite ion-exchange membrane
05/04/2004US6730808 Oxidative reactions using membranes that selectively conduct oxygen
04/2004
04/30/2004CA2446448A1 Method and apparatus for coating an ion-exchange membrane with a catalyst layer
04/29/2004WO2004035183A2 Method for the continuous production of tubular membranes
04/29/2004WO2004035180A1 Microporous hydrophilic membrane
04/29/2004US20040081876 Membrane electrode assemblies using ionic composite membranes
04/29/2004US20040079419 Gas valve
04/28/2004EP1413350A1 Multilayer microporous film
04/28/2004EP1412564A1 Double-layered-hollow membrane for bioreactor applications
04/28/2004EP1412064A1 Discoid filtration body
04/28/2004EP1412062A2 Use of membranes to separate organic liquids having different polarities
04/28/2004EP1370344A4 Polymeric membranes and uses thereof
04/28/2004EP1034138B1 Apparatus and method for the purification of water
04/28/2004CN1492837A Device and method for manufacture of carbonaceous material
04/28/2004CN1147352C Porous polyvinylidene fluoride resin film and processes for producing same
04/28/2004CN1147350C Surface modified porous membrane and process for producing same
04/28/2004CN1147349C Apparatus and method for cleaning membrane filtration modules
04/27/2004US6726840 Porous membranes of (per)fluorinated amorphous polymers having pore size in range 5-500 nm, and narrow pore size distribution as determined by atomic force electronic microscope; ultrafiltration or nanofiltration separation
04/27/2004US6726744 Mixed matrix membrane for separation of gases
04/22/2004WO2004033100A2 Device for precise chemical delivery and solution preparation
04/22/2004WO2003031036A3 Composite nanofiltratrion and reverse osmosis membranes and method for producing the same
04/22/2004US20040076874 Separation module, method for its production and its use
04/22/2004US20040076865 High water permeability proton exchange membrane
04/21/2004EP1410839A1 Hollow fiber membrane for purifying blood
04/21/2004EP1410838A1 Method of manufacturing membranes and the resulting membranes
04/21/2004EP1409119A2 Asymmetric gel-filled microporous membranes
04/21/2004EP1409118A2 Laminated edge filter structure and method of making
04/21/2004EP1056937A4 Combustion engine air supply system
04/20/2004US6723814 Amphiphilic copolymer planar membranes
04/20/2004US6723422 Composite reverse osmosis membrane and process for preparing the same
04/20/2004US6723241 Comprising a polyamide layer on a porous support where the polyamide layer is complexed or hydrogen bonded to a phosphorus-containing compound; improved flux and/or rejection rate; filters; nanofiltration and reverse osmosis
04/20/2004US6723147 Air-permeable filter for ink cartridge and ink cartridge comprising same
04/15/2004US20040071894 Preparation of composite silica membranes with thermal stability by a soaking-rolling method