| 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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| 06/26/1997 | WO1997022406A1 Self-wetting membranes from engineering plastics |
| 06/26/1997 | DE19548423A1 Sulphonated aromatic polyether-ketone used for membrane prodn., etc. |
| 06/25/1997 | EP0780152A1 Semipermeable composite membrane, method for the preparation of such a membrane,and its use |
| 06/25/1997 | EP0779878A1 Zeolites and processes for their manufacture |
| 06/25/1997 | EP0691879B1 Microfilter plate and process for making it |
| 06/24/1997 | US5641442 Mixing uniformly rubber, ethylene polymer, crosslinking agent, vulcanizing agent, rubber accelerator, filler, antiaging agent; heating under pressure to semi-vulcanize, grinding to powder, heating under pressure in mold to cure |
| 06/24/1997 | CA2025090C Porous material of polytetrafluoroethylene and process for producing the same |
| 06/18/1997 | EP0779381A2 Polysulfone porous hollow fiber |
| 06/18/1997 | EP0779090A1 In situ filter cleaning |
| 06/18/1997 | CN1152261A Molecular sieves and processes for their manufacture |
| 06/17/1997 | US5639437 Mixed oxide containing strontium, iron, cobalt oxide |
| 06/12/1997 | WO1997020881A1 Microporous polytetrafluoroethylene (ptfe) bodies with filler |
| 06/12/1997 | WO1997020622A1 Composite nanofiltration membrane |
| 06/12/1997 | DE19545643A1 Sulphonated aromatic polyether-ketone, used as polymeric electrolyte |
| 06/12/1997 | DE19545642A1 Sulphonated aromatic polyether-ketone used for membrane prodn., etc. |
| 06/11/1997 | EP0778077A2 New polymer membranes prepared from polysulfone and polyimide blends for the separation of industrial gas mixtures |
| 06/11/1997 | EP0778076A1 Process for the preparation of supported zeolite membranes and membranes obtained by such process |
| 06/11/1997 | EP0778075A1 Process for the preparation of porous glass supported zeolite membranes and zeolite membranes obtained thereby |
| 06/11/1997 | EP0778069A1 Reactive purge for solid electrolyte membrane gas separation |
| 06/11/1997 | CN1151706A Thermoplastic hollow fiber member module and method of manufacture |
| 06/11/1997 | CN1151417A Hydrophilically modified pulverulent high and/or ultra-high molecular weight polyethylene |
| 06/10/1997 | WO1997024297A1 Synthesis of preceramic polymer-stabilized metal colloids and their conversion to microporous ceramics |
| 06/10/1997 | US5637544 Reactive membrane for filtration and purification of gases of impurities and method utilizing the same |
| 06/10/1997 | US5637201 Linker lipid for use in attaching a membrane, comprises with in the same molecule hydrophilic and hydrophobic regions |
| 06/10/1997 | CA2239141A1 Synthesis of preceramic polymer-stabilized metal colloids and their conversion to microporous ceramics |
| 06/05/1997 | WO1997019743A1 Filtration unit which can be tested for integrity and has hydrophilic porous membranes |
| 06/05/1997 | DE19544912A1 PTFE-Körper aus mikroporösem Polytetrafluorethylen mit Füllstoff und Verfahren zu dessen Herstellung The PTFE body of microporous polytetrafluoroethylene with a filler, and process for its preparation |
| 06/04/1997 | CN1151128A Separating and concentrating certain ions using ion-binding ligands bonded to membranes |
| 06/04/1997 | CN1151125A High-efficiency metal membrane getter element and process for making |
| 06/04/1997 | CN1150918A Permselective membranes and method for their production |
| 06/03/1997 | US5635148 Porous inorganic substrate having a carbon layer modified by bonded metal active sites to serve as a scavanger of homogeneous impurities; semiconductor manufacturing |
| 06/03/1997 | US5635067 Using blends of polyimides, one of which contains a phenylindane diamine component; good selective permeability |
| 05/29/1997 | WO1997019454A1 Separation of gases |
| 05/29/1997 | WO1997018886A1 Water removal device |
| 05/29/1997 | CA2237436A1 Water removal device |
| 05/29/1997 | CA2206453A1 Separation of gases |
| 05/28/1997 | EP0775015A1 Zeolite layers with controlled crystal width and preferred orientation grown on a growth enhancing layer |
| 05/28/1997 | EP0681507B1 Thermally induced phase separated azlactone membrane |
| 05/28/1997 | DE19546837C1 Polyacrylonitrile membrane, especially capillary or base membrane |
| 05/28/1997 | DE19546836C1 Polyacrylonitrile capillary membrane, used for osmometry |
| 05/28/1997 | DE19545701C1 Komposit-Nanofiltrationsmembran Composite nanofiltration membrane |
| 05/28/1997 | DE19543955A1 Auf Integrität testbare Filtrationseinheit mit hydrophilen, porösen Membranen Testable integrity filtration unit with hydrophilic porous membranes |
| 05/28/1997 | CN1034991C Preparation of sulfonated polyary-ether-sulfone nanometer filter film |
| 05/27/1997 | US5633039 Highly selective asymmetric membranes for gas separation and method for the manufacture thereof |
| 05/27/1997 | US5632874 Ion selective ceramic membrane |
| 05/22/1997 | DE19603420C1 Composite membranes for separating water vapour from gas mixtures |
| 05/21/1997 | EP0773824A1 High temperature, chemical resistant filtration laminate |
| 05/21/1997 | CN1150057A Process and system for separation and recovery of perfluorocompound gases |
| 05/15/1997 | WO1997017129A1 Immunoprotective membrane |
| 05/15/1997 | WO1997017125A1 Apparatus and methods for gas extraction |
| 05/14/1997 | EP0773058A1 Filtration membrane for oleophilic organic liquids, method for producing it and method for filtering oleophilic organic liquids |
| 05/14/1997 | EP0772489A1 Cellulosic ultrafiltration membrane |
| 05/14/1997 | EP0772484A1 Fibrous web and process of preparing same |
| 05/13/1997 | US5629353 Highly cross-linked nanoporous polymers |
| 05/13/1997 | CA2040198C Inorganic porous composite semi-permeable film and process for the preparation thereof |
| 05/13/1997 | CA2036331C Membrane device for a filtration, separation or catalytic reaction process |
| 05/06/1997 | US5626805 Blend with a polyester plasticizer |
| 05/06/1997 | US5626760 Multifunction device for the treatment of blood |
| 05/02/1997 | EP0770576A1 Process and installation for the production of hydrogen and energy |
| 05/02/1997 | EP0769983A1 An in-situ crystallized zeolite containing composition (lai-isc) |
| 05/02/1997 | EP0769982A1 Molecular sieves and processes for their manufacture |
| 05/02/1997 | EP0769981A1 A zeolite containing composition with a selectivity enhancing coating |
| 05/02/1997 | EP0769980A1 Membrane reparation and pore size reduction using interfacial ozone assisted chemical vapor deposition |
| 05/01/1997 | WO1997015381A1 Porous fluorocarbon membrane, method of producing it and a cartridge filter based on it |
| 05/01/1997 | WO1997015380A1 Extra-lumenal crossflow plasmapheresis devices |
| 05/01/1997 | WO1997003747A3 Polyacrylonitrile membranes |
| 04/29/1997 | US5624627 Melt-kneading polyethylene and plasticizer, forming sheet, extracting plasticizer, stretching sheet, heating, treating with corona discharge or plasma discharge |
| 04/29/1997 | US5624561 Cellulose acetate hemodialysis membrane |
| 04/29/1997 | US5624542 Enhancement of mechanical properties of ceramic membranes and solid electrolytes |
| 04/27/1997 | CA2188988A1 Process and apparatus for the production of hydrogen and energy |
| 04/24/1997 | WO1997015375A1 Conductive filter laminate |
| 04/23/1997 | EP0768913A1 Hollow fiber membrane module and method of manufacture |
| 04/17/1997 | WO1997013575A1 Polysulfone membrane for purifying blood |
| 04/16/1997 | EP0768330A1 Sulphonated Polyaryletherketones |
| 04/16/1997 | EP0529052B1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 04/16/1997 | CN1147418A Novel sulfonated polymide gas separation membranes |
| 04/16/1997 | CN1147417A Composite porous filtering film material and its prodn |
| 04/15/1997 | US5620500 Dehumidifying method |
| 04/09/1997 | EP0767200A2 High-strength porous film and process for producing the same |
| 04/09/1997 | EP0767181A2 Hydrophilically modified powdered high or ultrahigh molecular weight polyethylene |
| 04/09/1997 | EP0766995A1 Method for making a ceramic membrane |
| 04/09/1997 | EP0766715A1 A barrier material comprising a thermoplastic and a compatible cyclodextrin derivative |
| 04/09/1997 | EP0766589A1 High-efficiency metal membrane getter element and process for making |
| 04/09/1997 | CN1147210A Porous ceramic filter, method of mfg. same, extrusion molding die for mfg. same, and extrusion molding machine using same |
| 04/09/1997 | CN1034475C Hollow fibre membrances |
| 04/08/1997 | US5618587 Vacuum rig apparatus |
| 04/08/1997 | US5618435 Synthesis of inorganic membranes including metals |
| 04/08/1997 | US5618433 Processes for separating and concentrating certain ions from mixed ion solutions using ion-binding ligands bonded to membranes |
| 04/08/1997 | US5618334 Aromatic polyimides comprising sulfonic acid radical; permselectivity |
| 04/08/1997 | US5618332 Using gas permselective membrane |
| 04/08/1997 | US5617632 Methods for forming a contoured regulator seat |
| 04/02/1997 | EP0766330A1 Components for use in electrochemical cells and their use in oxygen separation |
| 04/02/1997 | EP0765900A1 Method of producing a microporous polyolefin membrane |
| 04/02/1997 | EP0765298A1 Synthesis of microporous ceramics by ammonia pyrolysis |
| 04/02/1997 | EP0730490A4 A composite structure and a method for forming same |
| 04/02/1997 | EP0667803A4 Gas-separation process. |
| 04/01/1997 | US5616249 Using all aliphatic polyamides from polyamino compounds and compounds having two or more acid halide groups |
| 04/01/1997 | US5616246 Hydrophilic membranes for electrochemical devices and method for preparing same |
| 04/01/1997 | US5616223 Mixed ionic-electronic conducting composites for oxygen separation and electrocatalysis |
| 03/27/1997 | WO1997011035A1 THIN SiO2 FILMS, A PROCESS FOR PRODUCING THEM AND THEIR USE |