| 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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| 11/16/1982 | US4359558 Polyurethane diacrylate compositions |
| 11/16/1982 | US4359359 For mounting membranes in dialysis equipment,aromatic diisocyanate with trimethylolpropane and castor oil |
| 11/09/1982 | US4358378 Selective permeable membranes and process for preparing the same |
| 11/09/1982 | CA1135275A1 Polyphosphazene polymers containing ortho-difunctional phenylene substituents |
| 11/02/1982 | US4357453 Photocurable polymers obtained from succinylosuccinic acid and maleic acid derivatives, processes for the preparation of the polymers, and use of the polymers |
| 11/02/1982 | CA1134991A1 Permselective membrane |
| 10/26/1982 | US4356236 Spherically shaped material comprising acylated product of de-N-acetylated chitin |
| 10/26/1982 | US4356215 Method of manufacturing supports for porous filters |
| 10/26/1982 | CA1134538A1 Polymeric compositions |
| 10/19/1982 | US4354938 Regenerated cellulose |
| 10/12/1982 | US4354017 Process for the production of polyquinazolone-based polymers |
| 10/12/1982 | US4353802 Semipermeable composite membrane |
| 10/06/1982 | EP0061782A2 Composite semipermeable membrane and process for preparation thereof |
| 10/06/1982 | EP0061610A1 Semipermeable membranes from acrylonitrile-based polymers, process for their preparation and their use |
| 09/30/1982 | WO1982003197A1 Method and apparatus for producing hollow metal microspheres and microspheroids |
| 09/29/1982 | EP0061424A2 Semipermeable membranes comprising modified polysulfones, process for their preparation and their use |
| 09/28/1982 | US4351860 Electrolytes, dopes, extrusion |
| 09/28/1982 | CA1132312A1 Membrane and method for making same |
| 09/28/1982 | CA1132311A1 Dialysis membrane from regenerated cellulose |
| 09/21/1982 | CA1131861A1 Process for preparing microporous hollow fibers |
| 09/14/1982 | CA1131624A1 Spherically shaped material comprising acylated product of de-n-acetylated chitin |
| 09/08/1982 | EP0059393A2 Hyperfiltration membranes with separation layers from monomolecular surfactant films |
| 09/07/1982 | US4348458 Coiled inorganic monolithic hollow fibers |
| 08/17/1982 | US4344873 Potting medium from polyurethanes |
| 08/11/1982 | EP0057328A1 Porous polyethylene film |
| 07/28/1982 | EP0056512A1 Reverse osmosis membrane and process for making the same |
| 07/27/1982 | CA1128684A1 Preparation of permselective composite membrane |
| 07/21/1982 | EP0056175A1 Ion-permeable composite membrane and its use in selective separation |
| 07/20/1982 | US4340482 Process for grafting amino acid molecules onto preformed polymer surfaces and products prepared thereby |
| 07/20/1982 | US4340480 Process for preparing liquophilic polyamide membrane filter media and product |
| 07/20/1982 | US4340479 Process for preparing hydrophilic polyamide membrane filter media and product |
| 07/20/1982 | US4340428 Semi-permeable asymmetrical membrance and process of producing same |
| 07/13/1982 | CA1127472A1 Gas separation membranes and process for the preparation thereof |
| 07/06/1982 | US4338194 Method of producing solute-rejecting dynamic membrane filters and filters including such membranes |
| 07/06/1982 | CA1126919A1 Membrane and method for making and using same |
| 06/29/1982 | US4337154 Formed from a polyalkylenimine and a nitrogen-heterocyclic secondary amine compound |
| 06/23/1982 | EP0054354A2 Membrane comprising an intimate blend of polymers |
| 06/22/1982 | US4336307 Hollow water absorbing polyester filaments and a process for producing the same |
| 06/22/1982 | US4336070 Process for preparing porous shaped material of acylated chitin derivative |
| 06/15/1982 | US4335193 Microporous film, particularly battery separator, and method of making |
| 06/08/1982 | US4333972 Polymers, methyl formate, isopropanol |
| 06/01/1982 | US4332686 Linear polyurethane ultrafilter and processes for use thereof |
| 06/01/1982 | CA1124475A1 Process to produce inorganic hollow fibers |
| 05/18/1982 | US4330654 Addition-condensation copolymers used in ion exchange membranes |
| 05/18/1982 | US4330633 Solid electrolyte |
| 05/18/1982 | US4330406 Semipermeable membrane and process of making same |
| 05/13/1982 | WO1982001553A1 Cross-linked hydrophilic polymers |
| 05/13/1982 | WO1982001477A1 Charge modified microporous membrane,process for charge modifying said membrane and process for filtration of fluid |
| 05/12/1982 | EP0051203A1 Process for the production of dry spun hollow polyacrylonitrile filaments and fibres |
| 05/11/1982 | US4329435 Novel fluorinated copolymer with tridihydro fluorosulfonyl fluoride pendant groups and preparation thereof |
| 05/11/1982 | US4329157 Diffusion, hydrogen |
| 05/05/1982 | EP0050864A1 A hydrophilic cationic charge modified microporous membrane, a process for producing it and its use |
| 05/05/1982 | EP0050789A1 Liquophilic polyamide membrane filter media and process of preparation thereof |
| 04/28/1982 | EP0050447A1 Organic solution of fluorinated copolymer having carboxylic acid groups |
| 04/28/1982 | EP0050399A1 Microporous polyethylene hollow fibers and a process for preparing the same |
| 04/28/1982 | EP0050288A1 Use of water vapour permeable polyvinylalcohol sheets |
| 04/27/1982 | US4326958 Permselective membrane |
| 04/20/1982 | CA1122209A1 Crosslinked polymeric substance |
| 04/13/1982 | US4324606 Contacting a melt fabricable fluorinated polymer with a web, applying vacuum, and heating |
| 04/06/1982 | US4323627 Controlled hydrolysi using alkali or acid |
| 03/30/1982 | US4322381 Method of manufacturing hollow fiber |
| 03/30/1982 | CA1120795A1 Semipermeable composite membrane and process for preparation thereof |
| 03/24/1982 | EP0047953A2 Semipermeable composite membranes comprising modified polyvinyl alcohol, process for their preparation and their use |
| 03/24/1982 | EP0047929A2 Moulding and spinning compositions based on cellulose with a low content of low molecular weight degradation products, process for their preparation and their application as moulding objects |
| 03/17/1982 | EP0047640A2 Inorganic monolithic hollow fibers, process for their production, and apparatus comprising them |
| 03/10/1982 | EP0046817A1 Dry polycarbonate membrane and process of manufacture |
| 03/10/1982 | EP0046816A1 Polycarbonate hemofiltration membrane and method of hemofiltering using such a membrane |
| 03/09/1982 | US4319008 Polyether admixture and semi-permeable membranes comprised thereof |
| 03/04/1982 | WO1982000648A1 Porous polymer membrane and method of making it |
| 03/02/1982 | US4317729 Ethylene-vinyl alcohol copolymer hollow fiber membranes and method of producing same |
| 02/23/1982 | CA1118560A1 Processes of making a porous membrane material from polyvinylidene fluoride, and products |
| 02/10/1982 | EP0045435A1 Polyamide membrane suitable for ultrafiltration and process for producing some |
| 02/09/1982 | CA1117717A1 Permselective membrane and method for making and using same |
| 02/03/1982 | EP0044958A1 Plasmapheresis membrane and process for the preparation thereof |
| 02/03/1982 | EP0044872A1 Process for selectively separating water-soluble valuable materials from an aqueous solution containing same |
| 02/02/1982 | CA1117668A1 Method and apparatus for processing waste |
| 01/27/1982 | EP0044405A1 Hollow filament membrane for the separation of plasma, and process for preparing it |
| 01/26/1982 | USRE30856 Polycarbonate membranes and production thereof |
| 01/13/1982 | EP0043481A2 Semipermeable membranes |
| 01/11/1982 | EP0034630A4 Separation device of codierite ceramic and alpha-alumina. |
| 01/06/1982 | EP0043265A1 Gas separating material |
| 01/05/1982 | CA1115894A1 Polyurethane composition and articles thereof |
| 12/30/1981 | EP0042766A2 Highly anisotropic membranes and process for making same |
| 12/30/1981 | EP0042517A1 Method for the production of a cellulose dialysis membrane |
| 12/29/1981 | US4308377 For chromatography |
| 12/29/1981 | US4308145 Relatively thick polycarbonate membranes for use in hemodialysis |
| 12/22/1981 | US4307135 Process for preparing an asymmetric permselective membrane |
| 12/22/1981 | CA1114686A1 Coated membranes |
| 12/16/1981 | EP0041839A1 Ultrathin solid membrane composed of silicon-containing copolymer, process for producing said membrane and use thereof for concentrating a gas |
| 12/16/1981 | EP0041780A1 Sulphonated polyaryletherketones |
| 12/16/1981 | EP0041735A1 Novel polymers having acid functionality |
| 12/15/1981 | US4305823 Modified with cyclic b-ketonic acids |
| 12/08/1981 | US4304591 A high-strength gel of maleimide-modified polyoxypropylene or -tetramethylene glycol crosslinked by a water-soluble olefin; sustained release |
| 12/02/1981 | EP0040670A2 Porous vinylidene fluoride polymer membrane and process for its preparation |
| 12/01/1981 | CA1113318A1 Coated membranes |
| 11/25/1981 | EP0040282A1 Process for the production of a dry inorganic ultrafiltration membrane and membrane produced by such a method |
| 11/24/1981 | US4302336 Semipermeable composite membrane |
| 11/24/1981 | US4302334 Fluoropolymer matrix blended with a vinyl alcohol polymer or hydrolyzable vinyl acetate precursor |
| 11/17/1981 | US4301067 Chitin containing poly-ion complex |
| 11/11/1981 | EP0039662A2 Photo-hardening polymers from succinyl-succinic acid derivatives and maleic acid derivatives, process for preparing the polymers and their use |