Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
06/2004
06/17/2004US20040116275 Porous functional layer made of zeolitic particles is provided; liquid is applied to functional layer containing precursors suitable for forming zeolite; heating and pressurization in order to form a closed a molecular screening layer
06/17/2004US20040115819 Leak site odorization for gas leak detection
06/17/2004US20040115498 Composite proton exchange membrane and method of manufacturing the same
06/17/2004CA2508575A1 Tool and method for separating water in organic solvent containing water dispersed therein
06/17/2004CA2507376A1 Microchip as well as solvent displacing method, concentrating method and mass spectrometry system therewith
06/16/2004EP1428572A1 Zeolite laminated composite and zeolite membrane reactor using the same
06/16/2004EP1428568A1 Laminated zeolite composite and method for preparation thereof
06/16/2004EP1428284A2 Hydrophilic polymers and their use in electrochemical cells
06/16/2004EP1427532A1 Multi-layer coated porous materials and methods of making the same
06/16/2004EP1427517A2 Proton-conducting membrane and the use of the same
06/16/2004EP1427512A1 Gas separation membrane with organosilicon-treated molecular sieves
06/16/2004EP1427511A1 Metal solution-diffusion membrane and method for producing the same
06/16/2004EP1317319B1 Mixed conducting membranes for syngas production
06/16/2004EP1206671B1 Drying and/or dry process preservation method using semi-permeable membrane
06/16/2004EP1163045B1 Positively charged membrane
06/16/2004EP1089806B1 Process of producing a microporous hydrophobic inorganic membrane
06/16/2004EP1027149B1 Catalytic membrane reactor with a three dimensional catalyst in the oxidation zone
06/16/2004EP0739240B1 Mesoscale sample preparation device and systems for determination and processing of analytes
06/16/2004CN1505700A Charge barrier flow-through capacitor
06/16/2004CN1505541A Asymmetric porous films and process for producing the same
06/16/2004CN1504257A Preparation method of high-flux porous membrane
06/15/2004US6749755 Drainage through fluoropolymer membrane
06/10/2004WO2004048936A2 Microporous materials, methods, and articles for localizing and quantifying analytes
06/10/2004WO2004048450A1 Hydrophobic, substance-permeable composite material having self-cleaning properties
06/10/2004WO2003084628A3 Process for preparing palladium alloy composite membranes for use in hydrogen separation, palladium alloy composite membranes and products incorporating or made from the membranes
06/10/2004US20040107830 Polyimide blends for gas separation membranes
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
06/09/2004EP1284810A4 Oil dehydrator
06/09/2004EP1224149A4 Ceramic membranes for catalytic membrane reactors with high ionic conductivities and low expansion properties
06/09/2004EP1098841B1 Hydrogen generators
06/09/2004CN1502400A Active microfiltering bacterial-inhibition sintered membrane and mfg method thereof
06/03/2004WO2004046627A2 Diffusion stabilized gas barriers
06/03/2004WO2004045751A1 Permeable film for separating hydrogen
06/03/2004WO2004045750A1 Method for producing pores in a thin polyimide sheet
06/03/2004WO2004005131A9 Gas valve
06/03/2004US20040106044 Polymer membranes
06/03/2004US20040105812 Chemical reactor and method for gas phase reactant catalytic reactions
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
06/02/2004EP0947545B1 Process for preparing highly permeable microporous polyolefin film
06/02/2004EP0889925B1 Process for manufacture of a porous polymer by use of a porogen
06/02/2004CN1502063A Process for producing acid sensitive liquid composition containing a carbonate
06/02/2004CN1500730A Method for synthesizing porous material mordenite membrane
06/02/2004CN1152447C Preparation method of compound electrolyte film formed by making low methyl alcohol penetrate proton conductor
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
05/27/2004WO2004043579A1 Composite porous membrane and method of manufacturing the membrane
05/27/2004US20040101760 Organic-inorganic membranes
05/27/2004US20040101731 Proton conductive membrane for electromechanical applications
05/27/2004US20040099601 Using hydrophilic membrane; pervaporation; removal of suspended, dissolved impurities; water pollution control
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
05/26/2004EP1421126A1 Process for preparing graft copolymer membranes
05/26/2004EP1421125A1 Process for preparing graft copolymer membranes
05/26/2004CN1499995A Filtering material for filter, filter pack and air filter unit using same, and method for preparing filtering material
05/26/2004CN1499992A Process for degassing queous plating solution
05/26/2004CN1150961C Methods for reforming polymer surface for improved wettablilty
05/25/2004US6740728 Methods for the preparation of polyesters, poly(ester amide)s and poly(ester imide)s and uses of the materials obtained therefrom
05/25/2004US6740143 Mixed matrix nanoporous carbon membranes
05/21/2004WO2004042845A2 Composite proton exchange membrane and method of manufacturing the same
05/21/2004WO2004041397A2 Preparation of asymmetric membranes using hot-filament chemical vapor deposition
05/20/2004US20040096734 N-heterocycle polymers; self-supporting membrane; heat and chemical resistance
05/20/2004US20040096720 Chalogenides; heat and chemical resistance; protonation glass, ceramic
05/20/2004US20040094466 Method for manufacturing hollow fiber membranes
05/20/2004CA2412310A1 Proton conductive membrane for electrochemical applications
05/19/2004EP1420039A1 Proton-conducting membrane for electrochemical use
05/19/2004EP1171384A4 Proton conducting membrane using a solid acid
05/19/2004DE29825005U1 Ceramic filter element used as filter or filter membrane support
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
05/19/2004DE10249480A1 Process for preparation of a copolyimide useful in treatment of process water by pervaporation, separation of organic compounds from water by means of a copolyimide membrane, and as a hollow fiber module
05/19/2004DE10242708A1 Protonenleitende Membranen und deren Verwendung The proton-conducting membranes and their use
05/19/2004CN1498128A Oxygen-enhanced CDA modification to CDO integrated scrubber
05/19/2004CN1150143C Separation of CO2 from unsaturated fluorinated compounds by semipermeable membrane
05/18/2004US6737668 Method of manufacturing structure with pores and structure with pores
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
05/18/2004US6736568 Electro kinetic geosynthetic structure
05/13/2004WO2004018067A3 Airlift membrane device, bioreactor and bioreaction process
05/13/2004US20040092661 Fluoropolymer resins containing ionic or ionizable groups and products containing the same
05/13/2004US20040091762 Sulfonated aromatic polyether ketone and polybenzimidazole; high performance, low cost polymer electrolyte fuel cells
05/13/2004US20040089600 Fluid treatment elements
05/13/2004US20040089155 Gas/liquid separator including a liquid trap filter
05/13/2004DE10349067A1 Protonenleitende Membran und Herstellungsverfahren hierfür The proton-conducting membrane and manufacturing method thereof
05/12/2004EP1418156A1 Method for operation of membrane reactor, and membrane reactor used therein
05/12/2004EP1418155A1 Method for operation of membrane reactor, and membrane reactor used therein
05/12/2004EP1417475A2 Method for isolation of independent, parallel chemical micro-reactions using a porous filter
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
05/12/2004CN1494940A 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
05/11/2004US6734129 Zeolite membrane composites (LAW730)
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
05/06/2004WO2004037508A1 Heat-resistant film and composite ion-exchange membrane
05/06/2004WO2004037387A2 Filters and methods of making and using the same