Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060) |
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06/18/1998 | WO1998025687A1 Diffusional gas transfer system and method of using same |
06/17/1998 | CN1185119A Synthetic separation disphragm |
06/17/1998 | CN1184699A Mesopore molecular sieve inorganic composite film used for water purification |
06/16/1998 | US5766473 Enzyme loaded hydrophilic porous structure for protecting oxygen sensitive products and method for preparing same |
06/16/1998 | US5766458 Modulated and regenerative ceramic filter with insitu heating element |
06/11/1998 | WO1998024540A1 Microporous membranes and process for the production thereof |
06/10/1998 | EP0846024A1 Microfiltration membranes having high pore density and mixed isotropic and anisotropic structure |
06/10/1998 | EP0671971B1 Membranes having improved selectivity and recovery, and process for making same |
06/10/1998 | DE19647293C1 Verhinderung und Verzögerung der Belagsbildung in Membranprozessen Prevention and delay of scale formation in membrane processes |
06/10/1998 | CN1038655C A composite filter material |
06/09/1998 | US5763347 In-situ crystallized zeolite containing composition (LAI-ISC) |
06/09/1998 | US5762798 Hollow fiber membranes and method of manufacture |
06/09/1998 | US5762789 Used to filter ultrapure fluids used in semiconductor forming, combines the benefit of an in-line and t filter configuration |
06/03/1998 | CN1183383A 净水器 Water Purifier |
06/03/1998 | CN1038562C Ionic exchange membrane using polypropylene microporous membrane as basal membrane and making method thereof |
06/02/1998 | US5759678 High molecular weight polyethylene; battery separator |
06/02/1998 | US5759404 Selective partition |
05/28/1998 | WO1998022392A1 LaMO3 TYPE COMPOSITION, M BEING ALUMINIUM, GALLIUM OR INDIUM, IN POWDER OR SINTERED FORM, METHOD OF PREPARATION AND USE AS CONDUCTOR OF OXYGEN |
05/28/1998 | WO1998022205A1 Inhibition and delay of deposit formation in membrane processes |
05/28/1998 | CA2271490A1 Inhibition and delay of deposit formation in membrane processes |
05/27/1998 | EP0844681A2 Porous membrane with low steam permeability |
05/27/1998 | CN1038481C Hydrophilic compositions with increased thermal and solvent resistance for filtration |
05/27/1998 | CN1038480C Hydrophilic compositions with increased thermal resistance for filtration |
05/26/1998 | US5756643 Exhibits high selectivity for separation of an aromatic/saturate mixture |
05/26/1998 | US5756632 A hydrophilic gel enclosed within a membrane comprising a biocompatible, hydrophilic, segmented block polyurethane copolymer |
05/26/1998 | US5755964 Contacting with ammonia or alkylamine |
05/22/1998 | WO1998021588A1 Membrane and methods of preparing and using same |
05/22/1998 | WO1998021164A1 Functionally gradient ceramic structures |
05/22/1998 | WO1998020960A1 Hydrophilic polymeric phase inversion membrane |
05/22/1998 | CA2272852A1 Functionally gradient ceramic structures |
05/22/1998 | CA2271846A1 Hydrophilic polymeric phase inversion membrane |
05/22/1998 | CA2269933A1 Membrane and methods of preparing and using same |
05/20/1998 | EP0672251A4 Analyte detection by competitive inhibition of ion channel gating. |
05/19/1998 | US5753121 A macroporous support, a monolayer of moelecular seive crystals selected from alpo4-5, vpi-5, mordenite, nu-1o and mixtures, gastight matrix selectively deposited upon support in area between molecular sieve crystals |
05/19/1998 | US5753093 Using a linker lipid for attaching a membrane including a plurality of ionophores to an electrode; providing a space between the membrane and the electrode |
05/19/1998 | US5753014 Membrane filter and a method of manufacturing the same as well as a membrane |
05/19/1998 | US5753008 Solvent resistant hollow fiber vapor permeation membranes and modules |
05/14/1998 | WO1998020181A1 Process for plasma spraying ceramic residues |
05/13/1998 | EP0840760A1 Polymer electrolytes and process for their production |
05/13/1998 | EP0840645A2 Polyacrylonitrile membranes |
05/13/1998 | EP0703819B1 Method of making composite gas separation membranes |
05/13/1998 | EP0666773A4 Cross-flow microfiltration process. |
05/13/1998 | CN1038348C Prodn. of metal from minerals |
05/12/1998 | US5750633 Dope for cast formation and method of manufacturing the same |
05/12/1998 | US5750245 Thermally induced phase separated azlactone membrane |
05/12/1998 | US5749943 Polyimide resins for separation of olefins from hydrocarbons |
05/07/1998 | WO1998008594A3 Method for producing microporous elements, the microporous elements thus produced and uses thereof |
05/06/1998 | EP0839568A1 Fluorochemical recovery and recycle using membranes |
05/06/1998 | EP0765298A4 Synthesis of microporous ceramics by ammonia pyrolysis |
05/06/1998 | EP0715641B1 Strongly alkaline anion exchange membranes and process for producing the same |
05/06/1998 | EP0525204B1 Method for preparing hydrophilic porous fibers an membranes |
05/05/1998 | US5746917 Strongly alkaline anion exchange membranes and process for producing the same |
05/05/1998 | US5746916 Walls with fibers and slits, stacks of polymers |
04/30/1998 | WO1998017378A1 Inorganic nanofiltration membrane and its application in the sugar industry |
04/30/1998 | WO1998017377A1 Microporous membranes and uses thereof |
04/30/1998 | WO1998017362A1 Method of gasifying or degasifying a liquid |
04/30/1998 | CA2218147A1 Fluorochemical recovery and recycle using membranes |
04/29/1998 | EP0838434A2 Electrolytic treatment of aqueous salt solutions |
04/29/1998 | EP0838258A1 Proton conductive membrane |
04/29/1998 | EP0838257A2 Coated substrates, method for producing same, and use therefor |
04/29/1998 | EP0838084A1 Multilayer high vertical aspect ratio thin film structures |
04/29/1998 | EP0837900A1 Membranes comprising salts of aminoacids in hydrophilic polymers |
04/29/1998 | EP0591463B1 A method of applying molecular sieve crystals to a support, and a loaded support thus obtained |
04/29/1998 | CN1179991A Novel sulfonated polyimide gas separation membranes |
04/28/1998 | US5744696 Thermal isolation system in a chromatograph |
04/28/1998 | US5744575 Aromatic polyimide and gas separation |
04/28/1998 | US5744366 Mesoscale devices and methods for analysis of motile cells |
04/28/1998 | US5744042 Using a semipermeable membrane |
04/28/1998 | US5744039 Crosslinked polyamine thin film for water desalination |
04/28/1998 | US5744035 Module containing zeolite-based membrane and preparation thereof |
04/28/1998 | US5744015 Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions |
04/28/1998 | US5743775 Laminate for restraining organic vapors, aerosols, and biological agents |
04/22/1998 | EP0731820B1 Aromatic polysulphones |
04/22/1998 | EP0729379B1 Hydrophilic compositions with increased thermal and solvent resistance |
04/22/1998 | EP0682560B1 Polymer porous structure and process |
04/22/1998 | EP0474634B1 Gas-permeable, inorganic membranes |
04/22/1998 | CN1179354A Polysulfone copolymer membranes and preparing process thereof |
04/21/1998 | US5741783 Treating chitosan with formaldehyde and hydrogen cyanide yields mixtures for use in films and membranes, water treatment, complexing agents, stabilizers and cosmetics |
04/21/1998 | US5741409 Biosensors, ion selective electrodes |
04/21/1998 | US5741408 Polymer electrolyte membrane for use in fuel cells and electrolysis cells |
04/16/1998 | WO1998015581A1 Carbohydrate purification using ultrafiltration, reverse osmosis and nanofiltration |
04/15/1998 | EP0835277A1 Polyarylene sulphides with polymer-bound phosphonium salts and process for producing them |
04/14/1998 | US5739316 Contacting with an aqueous alkaline solution of a diepoxide |
04/14/1998 | US5738708 Composite metal membrane |
04/08/1998 | EP0834950A2 Planar solid electrolyte cell stack working as oxygen pump, with offset seals and biasing electrodes |
04/08/1998 | EP0768913B1 Hollow fiber membrane module and method of manufacture |
04/08/1998 | CN1178482A Composite membrane |
04/08/1998 | CN1178480A Filtration monitoring and control system |
04/07/1998 | US5736051 Surface coating of a polymer rendering membrane hydrophilic and less susceptible to adsorption of proteins |
04/07/1998 | US5736046 Used for hemodialysis |
04/01/1998 | EP0832676A1 Process and device for filtering fine particles in fluids |
04/01/1998 | EP0831964A1 Gas passage with selectively acting penetration surface and process for producing the penetration surface |
04/01/1998 | EP0831963A1 Micromachined porous membranes with bulksupport |
03/31/1998 | US5734944 Apparatus for rejuvenating developer in printing plate development |
03/31/1998 | US5734092 Hydrogen permeabile membrane |
03/31/1998 | US5733663 Composite membrane and process for its production |
03/31/1998 | US5733657 Method of preparing membranes from blends of polymers |
03/31/1998 | US5733602 Reverse osmosis membranes, coating porosity supports, solutions with acid kalide and crosslinking skins |
03/31/1998 | US5733435 Pressure driven solid electrolyte membrane gas separation method |
03/26/1998 | WO1998011974A1 Porous nickel filter material |