| 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) |
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| 07/18/1984 | EP0113574A2 Gas-selectively permeable membrane and method of forming said membrane |
| 07/17/1984 | US4460526 Process for producing aromatic polyimide hollow filaments |
| 07/10/1984 | US4459210 Porous membrane |
| 07/04/1984 | EP0112631A2 Composite material, method of making it and its use in osmotic purification of liquids |
| 07/04/1984 | EP0112614A2 Semipermeable membranes and method of making the same |
| 06/27/1984 | EP0112134A2 Gas-selectively permeable membrane and method of forming said membrane |
| 06/27/1984 | EP0111714A2 Dynamic membranes for reverse osmosis and ultrafiltration with good flow qualities |
| 06/27/1984 | EP0111663A2 Membrane and process for producing the membrane |
| 06/12/1984 | US4454085 Process for producing asymmetrical hollow filament membranes of polyamide |
| 06/12/1984 | CA1169118A1 Hydrophilic polymer coated microporous membranes capable of use as a battery separator |
| 06/12/1984 | CA1168811A1 Microporous polyethylene hollow fibers and a process for preparing the same |
| 05/29/1984 | CA1168006A1 Asymmetric membranes and process therefor |
| 05/16/1984 | EP0108601A2 Polypropylene membranes |
| 05/15/1984 | CA1167211A1 Process for preparing hollow microporous polypropylene fibers |
| 05/02/1984 | EP0107636A1 Multicomponent membrane for gas separation |
| 05/02/1984 | EP0037836B1 Polyvinylidene fluoride resin hollow filament microfilter and process for producing same |
| 05/01/1984 | CA1166414A1 Process for producing aromatic polyimide hollow filaments |
| 04/24/1984 | US4444716 Method for manufacture of hollow fiber |
| 04/24/1984 | US4444662 Microporous laminate |
| 04/10/1984 | CA1165249A1 Reverse-osmosis tubular membrane |
| 04/03/1984 | US4440643 Imidation of a polyamic acid coating |
| 03/27/1984 | US4439322 Ionic copolymer |
| 03/21/1984 | EP0034630B1 Separation device of codierite ceramic and alpha-alumina |
| 02/28/1984 | CA1162708A1 Method for producing permeable polymeric membranes |
| 02/21/1984 | US4433151 Oxy benzoic acid terminated polyether derivatives of 8-hydroxy quinolines |
| 02/15/1984 | EP0100552A2 Hydrophilized membrane of porous hydrophobic material and process of producing same |
| 02/14/1984 | US4431545 Microporous filter system and process |
| 02/08/1984 | EP0100285A1 Hollow fibre for the treatment of blood |
| 02/01/1984 | EP0099432A1 Permselective membrane |
| 01/31/1984 | US4429122 Filtration through semipermeable membrane |
| 01/18/1984 | EP0098731A1 Method for producing oxygen and nitrogen and membrane therefor |
| 01/18/1984 | EP0098392A2 Filtration membrane and process for producing the membrane |
| 01/18/1984 | EP0098352A2 Separation of saccharides |
| 01/17/1984 | US4426204 Process for the marking of carrierless polymeric membranes and asymmetric carrierless polymeric membrane |
| 12/27/1983 | US4423099 Two polymers of differing permeability |
| 12/21/1983 | EP0096339A2 Multilayer membrane and its use in the separation of liquids by pervaporation |
| 12/21/1983 | EP0096306A2 Filter element having microporous filter membrane |
| 12/08/1983 | WO1983004186A1 Filter element having microporous filter membrane |
| 11/16/1983 | EP0094226A2 Filter systems |
| 11/16/1983 | EP0094060A2 Process for the manufacture of membranes on the basis of heteropolycondensates of silicic acid, membranes so produced and their use |
| 11/16/1983 | EP0094050A2 Ultrathin film, process for production thereof, and use thereof for concentrating a specified gas in a gaseous mixture |
| 11/15/1983 | US4415608 Continuous production of polymethylpentene membranes |
| 11/15/1983 | US4415512 Method and apparatus for producing hollow metal microspheres and microspheroids |
| 11/15/1983 | US4415455 Reverse osmosis membranes based on hydroxyalkyl methacrylate and methacrylic acid copolymers |
| 11/02/1983 | EP0092840A1 Filtration membrane and process for its manufacture |
| 11/02/1983 | EP0092587A1 Polymethyl methacrylate hollow yarn ultra-filtration membrane and process for its production |
| 11/01/1983 | US4412922 Positive-charged ultrafiltration membrane for the separation of cathodic/electrodeposition-paint compositions |
| 10/26/1983 | EP0092417A1 Selectively gas-permeable composite membrane and process for production thereof |
| 10/18/1983 | US4410338 Gas separating members and a method of making the same |
| 10/12/1983 | EP0090962A2 A method of cleaning a tubular membrane module |
| 09/27/1983 | US4406673 Ultrathin solid membrane, process for production thereof, and use thereof for concentrating a specified gas in a gaseous mixture |
| 09/20/1983 | US4405688 Microporous hollow fiber and process and apparatus for preparing such fiber |
| 09/06/1983 | US4402940 Method for treating blood plasma employing a hollow fiber membrane |
| 09/06/1983 | CA1153171A1 Cellulose semipermeable hollow fibers and method for making same |
| 08/30/1983 | US4401567 Microporous polyethylene hollow fibers |
| 08/17/1983 | EP0086028A2 Water purifying method and system |
| 08/16/1983 | US4399035 Polyvinylidene fluoride type resin hollow filament microfilter and process for producing the same |
| 08/10/1983 | EP0085166A1 A filter and a process for the preparation thereof |
| 08/10/1983 | EP0085111A1 Composite semipermeable membrane, process for its production, and method of its use |
| 08/09/1983 | US4397908 Electrically neutral nonpermselective porous membrane |
| 08/03/1983 | EP0084768A1 Continuous production of polymethylpentene membranes |
| 08/02/1983 | CA1151020A1 Reverse osmosis composite fiber membrane |
| 07/13/1983 | EP0083489A2 Membrane systems for filtration |
| 07/05/1983 | CA1149170A1 Method and apparatus for producing hollow microspheres |
| 06/29/1983 | EP0082393A2 Reinforced microporous membrane |
| 06/15/1983 | EP0081182A2 Membrane for the separation of liquid or gaseous multicomponent systems |
| 06/14/1983 | US4388189 Amine-containing polymer, crosslinking |
| 06/07/1983 | US4387024 Amine polymer, polyamine monomer |
| 06/01/1983 | EP0080078A2 Hollow microspheres and applications thereof |
| 05/24/1983 | US4385094 Ethylene-vinyl alcohol hollow fiber membrane and method for the production thereof |
| 05/17/1983 | US4384023 With microfibril strips |
| 05/11/1983 | WO1983001632A1 Polymethyl methacrylate hollow yarn ultra-filtration membrane and process for its production |
| 04/27/1983 | EP0077691A1 Supported reverse osmosis membranes |
| 04/27/1983 | EP0077509A1 Semi-permeable membranes |
| 04/26/1983 | CA1145209A1 Interfacially synthesized reverse osmosis membrane |
| 04/26/1983 | CA1145208A1 Semipermeable composite membrane |
| 04/20/1983 | EP0077098A2 Hollow chitosan fibres, and the process for their preparation |
| 04/12/1983 | CA1144433A1 Reverse osmosis membrane |
| 02/22/1983 | US4374891 Ultrathin polymer membranes |
| 02/22/1983 | CA1141510A1 Methods for preparing anisotropic membranes and membranes prepared therefrom |
| 02/17/1983 | WO1983000443A1 Composite semipermeable membrane, process for its production, and methode of its use |
| 02/16/1983 | EP0072002A1 High performance semipermeable composite membrane and process for producing same |
| 02/16/1983 | EP0071660A1 Process for marking non-supported polymeric membranes and asymmetric polymeric non-supported membrane |
| 02/08/1983 | US4373031 Synthesis of anion exchange polymers employing ditertiary amines |
| 02/08/1983 | CA1140869A1 Separation device of cordierite ceramic and alpha-alumina |
| 02/01/1983 | US4371487 Process for the production of a hollow fiber semipermeable membrane |
| 02/01/1983 | CA1140308A1 Membrane with porous surface |
| 01/19/1983 | EP0069869A1 A membrane and an arrangement for the removal of a substance from a solution |
| 01/18/1983 | CA1139680A1 Gas separating members and a method of making the same |
| 12/21/1982 | US4364759 Semipermeable membrane for gas separation |
| 12/15/1982 | EP0067116A1 Membrane of silicone rubber, process for its preparation and its use in the mixing of gases and liquids and the degassing of liquids |
| 12/08/1982 | EP0066408A2 Porous membrane |
| 12/07/1982 | US4362677 Spinning with solvent and coagulant in a spinneret, passing through gaseous atmosphere and coagulation |
| 11/30/1982 | US4361484 Process for treating and/or removal of substances from liquid, especially whole blood |
| 11/23/1982 | US4360434 Amphoteric ion-permeable composite membrane |
| 11/16/1982 | US4359510 Hydrophilic polymer coated microporous membranes capable of use as a battery separator |
| 11/02/1982 | CA1134991A1 Permselective membrane |
| 10/26/1982 | US4356267 Enzyme immobilization in cellulosic hollow fibres |
| 10/26/1982 | CA1134266A1 Dialysis material and method for removing uremic substances in an artificial kidney |
| 10/12/1982 | US4353802 Semipermeable composite membrane |