| 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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| 09/01/2004 | CN1526172A Epitaxial thin films |
| 09/01/2004 | CN1525878A Acid stable membranes for nanofiltration |
| 09/01/2004 | CN1164355C Catalyst membrane separation method for heterogeneous suspension nano catalysis reaction |
| 09/01/2004 | CN1164353C Process for preparing polyurethane/acetyl cellulose blend micro-porous filter membrane |
| 08/31/2004 | US6783937 Negatively charged membrane |
| 08/31/2004 | US6783711 Process for preparing a sulfonamide polymer matrix |
| 08/31/2004 | CA2154070C Process of making microporous pps membranes |
| 08/31/2004 | CA2111852C Applying a fluoropolymer film to a body |
| 08/26/2004 | WO2004072141A2 Synthesis of polyphosphazenes with sulfonimide side groups |
| 08/26/2004 | WO2004071631A2 Multi-layer ceramic composite |
| 08/26/2004 | WO2004071630A1 Inorganic layer |
| 08/26/2004 | US20040167237 Asymmetric porous films and process for producing the same |
| 08/26/2004 | US20040167011 zeolite separation membrane formed on porous zeolite substrate; small pressure loss; hardly generates defects such as cracks in the separation membrane even at high temperatures |
| 08/25/2004 | EP1448293A1 A solid multicomponent mixed proton and electron conducting membrane |
| 08/25/2004 | CN1522792A Metallic compound film material and its preparation method |
| 08/25/2004 | CN1522791A Film material and method for making same and application |
| 08/25/2004 | CN1163167C Membranes of polyurethane based on materials including polyester polyols |
| 08/24/2004 | US6780935 Blend of an acrylic resin or vinyl resin having at least one ionic or ionizable group, and a thermoplastic fluoropolymer; use as membranes for batteries, fuel cells |
| 08/24/2004 | US6780786 Method for producing a porous silicon film |
| 08/24/2004 | US6780466 Cross-flow filter membrane and method of manufacturing it |
| 08/24/2004 | US6780327 Positively charged microporous membrane comprising porous substrate and crosslinked coating including polymer backbone and pendant positively charged groups, each directly linked to backbone through polar spacer group by single bond |
| 08/24/2004 | CA2388246C Heat resistant microporous membrane |
| 08/19/2004 | WO2004069739A1 Method and device for separating co2 contained in an h2-based gaseous mixture |
| 08/19/2004 | WO2004069392A1 Method of recycling reverse osmosis membranes |
| 08/19/2004 | WO2004069375A1 Process for the manufacturing of filter elements as well as filter elements obtained in a such process |
| 08/19/2004 | WO2002062449A8 Oleophobic membrane materials by oligomer polymerization for filter venting applications |
| 08/19/2004 | US20040162475 Electro kinetic geosynthetic structure |
| 08/19/2004 | US20040161736 Using plasmapheresis filters to remove blood protein antibodies from blood; prevention of transplant rejection |
| 08/19/2004 | US20040161598 Polymetaphenylene isophthalamide-based polymer porous film, process for its production and battery separator |
| 08/19/2004 | US20040161369 Sensitive, reproducible Raman spectroscopy detector; oxidizing surface of silicon substrate; wetting with and thermally decomposing metal salt solution |
| 08/19/2004 | US20040159319 Microstructured filter |
| 08/19/2004 | US20040159233 such as H2, CO2, and/or N2 from hydrocarbons, and hydrocarbons from one another using a selectively permeable aromatic polyimide membrane; good resistance to plasticization by hydrocarbon components under practical industrial process conditions |
| 08/19/2004 | CA2512620A1 Process for the manufacturing of filter elements as well as filter elements obtained in a such process |
| 08/18/2004 | EP1447381A2 Nanoporous alumina products and process for their preparation |
| 08/18/2004 | EP1447165A1 Method and device for resistance seam welding a foil and at least one foil support member of a fuel cell system |
| 08/18/2004 | EP1446356A2 Mesoporous materials and methods |
| 08/18/2004 | EP1289637A4 Polysulfonamide matrices |
| 08/18/2004 | EP0884960B1 Inflated closed containers made of polyesterurethane based membranes and their manufacturing method |
| 08/18/2004 | CN1520888A Blood purifying apparatus |
| 08/17/2004 | US6776941 Cold isopressing method and mold |
| 08/17/2004 | US6776940 Process for making a three-zone microporous membrane |
| 08/12/2004 | WO2004068613A2 A fuel processing system having a membrane separator |
| 08/12/2004 | WO2004067640A2 Conductive organic-inorganic hybrid material comprising a mesoporous phase, membrane, electrode and fuel cell |
| 08/12/2004 | WO2004067611A1 Organic-inorganic hybrid material containing a mineral mesoporous phase and an organic phase, a membrane and fuel cell |
| 08/12/2004 | WO2004067154A1 Multilayer ceramic composite |
| 08/12/2004 | WO2004046627A3 Diffusion stabilized gas barriers |
| 08/12/2004 | US20040157102 Methanol fuel cell; polymer electrolyte membrane; polyether ketone polymer; polyether sulfone polymer |
| 08/12/2004 | US20040154986 poly(tetrafluoroethylene-co-perfluoro(alkylvinylether)) or poly(tetrafluoroethylene-co-hexafluoropropylene); capable of operating in severe chemical environments with no apparent extractable matter being released; low surface tension |
| 08/12/2004 | US20040154980 Coating a solution of a polymer, a silver salt and a phthalate onto a support and drying in a condition free from light and oxygen. |
| 08/12/2004 | US20040154979 Composite semipermeable membrane |
| 08/12/2004 | US20040154978 Pre-metered, unsupported multilayer microporous membrane |
| 08/12/2004 | US20040154972 Micro-fluidic anti-microbial filter |
| 08/12/2004 | DE10303897A1 Mehrlagiger Keramikverbund Multilayer ceramic composite |
| 08/12/2004 | CA2513700A1 Organic-inorganic hybrid material comprising a mineral mesoporous phase and an organic phase, a membrane and fuel cell |
| 08/11/2004 | EP1445610A1 Integrated apparatus for degassing and blending multiple mobile phase streams |
| 08/11/2004 | EP1444996A1 METHOD OF SELECTIVELY ELIMINATING VIRUS AND LEUKOCYTES, ELIMINATING MATERIAL AND ELIMINATING APPARATUS |
| 08/11/2004 | EP1444748A1 Solid polymer membrane for fuel cell with polyamine imbibed therein for reducing methanol permeability |
| 08/11/2004 | EP1444292A1 Solid polymer membrane for fuel cell prepared by in situ polymerization |
| 08/11/2004 | EP1359996B1 Filter body |
| 08/10/2004 | US6773601 Filtering with a membrane of a metal-oxide with a zeta potential at the ph value of the suspension and having the same polarity |
| 08/10/2004 | US6773591 Bundle of hollow fibres for a device for extracorporeal treatment of blood and plasma, and process for its production |
| 08/05/2004 | WO2004064986A1 An improved process for the preparation of porous membrane |
| 08/05/2004 | WO2004007781A3 Method for the generation of pores or channels in a metallic body |
| 08/05/2004 | US20040152863 Methods for the preparation of polyesters, poly(ester amide)s and poly(ester imide)s and uses of the materials obtained therefrom |
| 08/05/2004 | US20040149688 Method for producing a biomimetic membrane, biomimetic membrane and its applications |
| 08/05/2004 | US20040149572 Easy release without damaging substrate; solvent-free |
| 08/05/2004 | US20040149127 Gas separation membranes |
| 08/05/2004 | DE202004006867U1 Kohlenstoffbasierte Formkörper geeignet zur Verwendung als Zellkulturträger- und Aufzuchtsysteme Carbon-based molding suited for use as Zellkulturträger- and rearing systems |
| 08/04/2004 | EP1442784A1 Inorganic porous membrane containing carbon, method of manufacturing and use thereof |
| 08/04/2004 | EP1442783A2 Method for producing gas separation membranes |
| 08/04/2004 | EP1442100A1 Oil dehydrator |
| 08/04/2004 | EP1441846A2 Mixed matrix membrane for separation of gases |
| 08/04/2004 | EP1441840A1 Process for improving the purity of quaternary ammonium hydroxides by electrolysis in a two-compartment cell |
| 08/04/2004 | EP1441838A1 Gas/liquid separator including a liquid trap filter |
| 08/04/2004 | EP1441837A1 Hydrogen purification devices, components and fuel processing systems containing the same |
| 08/04/2004 | CN1160277C Silicon nitride porous body anc manufacturing method therefor |
| 08/03/2004 | US6770773 Organic acid-Fe-OOH (ferroxane) particles and ferroxane-derived ceramics and ceramic membranes |
| 08/03/2004 | US6770204 Filter media with enhanced microbiological interception capability |
| 08/03/2004 | US6770113 Process control; heating, sintering, comminution |
| 07/30/2004 | CA2437422A1 Oxygen and nitrogen enriched atmospheres in aircraft |
| 07/29/2004 | WO2004063097A1 Method of adding active carbon in water purification and method of water purification |
| 07/29/2004 | WO2004041397A3 Preparation of asymmetric membranes using hot-filament chemical vapor deposition |
| 07/29/2004 | US20040146765 Oxide ion conductive ceramic membrane stacked microstructures; use for separating oxygen from air |
| 07/29/2004 | US20040146705 Fluid control device and method of manufacturing the same |
| 07/29/2004 | US20040145073 terpolymer of tetrafluoroethylene, vinylidene fluoride, and hexafluoropropylene, produced using casting solution phase inversion. |
| 07/29/2004 | US20040144712 Method for producing a hollow fiber membrane module or a capillary membrane module |
| 07/29/2004 | DE10209774A1 Composites und Compositemembranen Composites and Composite Membranes |
| 07/28/2004 | EP1440727A1 Membrane flux enhancement |
| 07/28/2004 | EP1439896A2 Centrifugal filtration device |
| 07/28/2004 | EP1057521B1 Membranes of (per)fluorinated amorphous polymers |
| 07/28/2004 | EP0964737B1 Hollow membranes with capillary tubes, modules for treating fluid using same and methods for making same |
| 07/28/2004 | CN1516717A Polyazole-based polymer films |
| 07/28/2004 | CN1159092C Prepn precess of composite asymmetrical affinity polysulfone-hydroxyethyl cellulose ultrafiltering film |
| 07/28/2004 | CN1159091C Process for making surface modified porous membrane with perfluorocarbon copolymer |
| 07/28/2004 | CN1159090C Pervaporation device for desalination of seawater |
| 07/27/2004 | US6767663 Oxygen separation through hydroxide-conductive membrane |
| 07/27/2004 | US6767527 Method for recovering CO2 |
| 07/27/2004 | US6767466 Containing a main filter for blocking the leukocytes and a post-filter for preventing leakage of the leukocytes having a higher median pore size than main filter and it is placed downstream of main filter |
| 07/27/2004 | US6767455 Airlift membrane device and membrane bioreactor and bioreactor process containing same |
| 07/27/2004 | US6767384 Isomorphously substituted molecular sieve membranes |