| 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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| 10/04/1983 | US4407975 Polymeric membrane having maleic anhydride residues |
| 09/27/1983 | US4406673 Ultrathin solid membrane, process for production thereof, and use thereof for concentrating a specified gas in a gaseous mixture |
| 09/21/1983 | EP0089175A1 Semipermeable membranes prepared from polymers containing pendant sulfone groups |
| 09/14/1983 | EP0088515A1 Process for producing semipermeable membrane |
| 09/07/1983 | EP0087955A2 Immobilized inorganic diffusion barriers and the use thereof in the separation of small molecular species from a solution |
| 09/06/1983 | CA1153171A1 Cellulose semipermeable hollow fibers and method for making same |
| 09/01/1983 | WO1983002905A1 Immobilised inorganic diffusion barriers and their application to the separation of small molecular species from a solution |
| 08/31/1983 | EP0087228A1 Polyamide membrane with controlled surface properties and process for its production |
| 08/30/1983 | US4401567 Microporous polyethylene hollow fibers |
| 08/30/1983 | CA1152942A1 Hydrophilic monomer treated microporous films |
| 08/24/1983 | EP0086365A1 Aromatic polysulfone type resin hollow fiber membrane and process for producing the same |
| 08/24/1983 | EP0086235A1 Aromatic polysulfone resin hollow yarn membrane and process for manufacturing same |
| 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 |
| 08/03/1983 | EP0084768A1 Continuous production of polymethylpentene membranes |
| 08/02/1983 | US4396572 Simulatenous extrusion of pastes, baking |
| 07/26/1983 | CA1150457A1 Ultrafiltration membrane of linear polyurethane |
| 07/12/1983 | US4393113 Novel silicon-containing copolymer, ultrathin solid membrane composed of said copolymer, use of said solid membrane for concentrating a specified gas in a gaseous mixture, and process for producing said solid membrane |
| 07/12/1983 | US4392960 Process for the removal of urea from aqueous solutions |
| 07/05/1983 | US4391964 Castor oil, trimethylolpropane, organic titanate |
| 07/05/1983 | CA1149170A1 Method and apparatus for producing hollow microspheres |
| 06/29/1983 | EP0082433A2 Hydrophilic asymmetrical macroporous membrane of a synthetic polymerizate |
| 06/29/1983 | EP0082393A2 Reinforced microporous membrane |
| 06/29/1983 | EP0082355A2 Semipermeable membranes of modified polystyrene, process for their manufacture and their use |
| 06/28/1983 | CA1148944A1 Shaped material comprising denatured chitin and process for preparing same |
| 06/21/1983 | CA1148566A1 Fluorinated copolymer and preparation thereof |
| 06/14/1983 | US4388451 Polymers derived from allylphenol or substituted allylphenol and maleic anhydride |
| 06/14/1983 | US4388189 Amine-containing polymer, crosslinking |
| 06/14/1983 | CA1148292A1 Lactam block terpolymeric permselective membranes |
| 06/09/1983 | WO1983001905A1 Gas-separating membrane |
| 06/08/1983 | EP0080617A1 Use of permselective membranes for the separation of gas mixtures |
| 06/07/1983 | US4387187 Polyalkylene oxide, polyethersulfone |
| 06/07/1983 | US4387024 Amine polymer, polyamine monomer |
| 06/01/1983 | EP0080206A2 Porous regenerated cellulose membrane and process for the preparation thereof |
| 06/01/1983 | EP0080078A2 Hollow microspheres and applications thereof |
| 05/31/1983 | CA1147108A1 Modification of regenerated cellulose membranes for organic liquid permeation and the use of said membranes to recover selected organic liquids |
| 05/25/1983 | EP0079721A2 N-vinyl lactam-based biomedical devices and process for preparation thereof |
| 05/25/1983 | EP0079720A2 Low n-vinyl lactam content-based biomedical devices and process for preparation thereof |
| 05/24/1983 | US4385150 Organic solution of fluorinated copolymer having carboxylic acid groups |
| 05/24/1983 | US4385148 Reverse osmosis membrane preparation |
| 05/24/1983 | US4385094 Ethylene-vinyl alcohol hollow fiber membrane and method for the production thereof |
| 05/24/1983 | US4385084 Butanetetracarboxylic acid polyimides |
| 05/24/1983 | CA1146711A1 Process for preparing a selective permeable membrane and membranes prepared thereby |
| 05/18/1983 | EP0079307A1 Use of photocrosslinkable copolymers in the manufacture of semipermeable membranes |
| 05/17/1983 | US4384047 Porous vinylidene fluoride polymer membrane and process for its preparation |
| 05/17/1983 | US4384023 With microfibril strips |
| 05/17/1983 | US4383923 Semipermeable membranes |
| 05/17/1983 | CA1146691A1 Embedded material of polyurethane |
| 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 | EP0077227A1 Elastomeric separator membrane, its preparation process and its use in hydropneumatic suspension systems |
| 04/20/1983 | EP0077098A2 Hollow chitosan fibres, and the process for their preparation |
| 04/13/1983 | EP0076442A1 A hollow fiber of cuprammonium regenerated cellulose and process for producing the same |
| 04/12/1983 | US4379864 Polymeric compositions and hydrogels formed therefrom |
| 04/12/1983 | CA1144433A1 Reverse osmosis membrane |
| 03/29/1983 | US4378400 Polyimide polymer film |
| 03/29/1983 | US4378324 Dissolving in a phenol, coagulating with an aliphatic alcohol, aliphatic ketone, ether, amide, or dimethyl sulfoxide |
| 03/22/1983 | US4377481 Blended, polymeric, matrix membrane and process of making and using same |
| 03/08/1983 | US4376199 Acylation, dialysis, ion exchane resin |
| 03/03/1983 | WO1983000705A1 Aromatic polysulfone resin hollow yarn membrane and process for manufacturing same |
| 02/22/1983 | US4374933 Method of preparation of porous membranes and adsorbents |
| 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 |
| 02/15/1983 | CA1141117A1 Inorganic anisotropic hollow fibers |
| 02/09/1983 | EP0071170A2 Articles selectively permeables to fluids and gases made from copolymers that contain fluor, and being oleophobic and oleophylic at the same time |
| 02/08/1983 | US4373096 Crosslinked chitin derivatives |
| 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 |
| 01/26/1983 | EP0070730A1 Selective gas-permeable films |
| 01/19/1983 | EP0069852A1 Linear segmented polyurethanes, process for their preparation and their use |
| 01/18/1983 | CA1139680A1 Gas separating members and a method of making the same |
| 01/12/1983 | EP0069516A1 Porous thermoresin structures |
| 01/12/1983 | EP0069305A1 Reverse osmosis membrane quenching |
| 01/12/1983 | EP0069268A1 Process for the preparation of dry-spun hollow polyacrylonitrile filaments and fibres |
| 01/11/1983 | US4368112 Conditioned by series of solvents of decreasing polarity |
| 01/11/1983 | CA1139240A1 Selective adsorption process |
| 01/05/1983 | EP0068509A2 Antithrombogenic biomedical material |
| 01/05/1983 | EP0068459A1 Reverse osmosis membrane preparation |
| 12/28/1982 | US4366062 Reverse osmosis using a composite isocyanurate membrane |
| 12/28/1982 | CA1138584A1 Preparation of skinless hydrophilic polyamide membrane filters |
| 12/22/1982 | EP0067744A1 Process for the preparation of very divided alumina or alumina-magnesia spinels with a homogeneous porous structure |
| 12/21/1982 | US4365023 Which has anionic and cationic blocks separated by nonionic blocks |
| 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 |
| 12/15/1982 | EP0066814A1 Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluids |
| 12/08/1982 | EP0066408A2 Porous membrane |
| 12/08/1982 | EP0066369A1 Production of a liquid composition containing a perfluorinated ion exchange polymer, and the use of this polymer |
| 12/07/1982 | US4362677 Spinning with solvent and coagulant in a spinneret, passing through gaseous atmosphere and coagulation |
| 11/30/1982 | US4361689 Cross-linked hydrophilic polymers |
| 11/30/1982 | US4361484 Process for treating and/or removal of substances from liquid, especially whole blood |
| 11/23/1982 | US4360480 Aromatic diamino phosphoramides, thiophosphoramides and phosphoramidates |
| 11/23/1982 | US4360434 Amphoteric ion-permeable composite membrane |
| 11/23/1982 | CA1135938A1 Synthetic imogolite |