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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02/04/1987 | CN86103913A Porous cellulose ester articles having striated surfaces |
02/03/1987 | US4640901 Pyrolyzing silicon-based material, oxidizing pyrolysis product |
02/03/1987 | US4640778 Nondeforming; uniform pore size |
02/03/1987 | US4640774 Elastomer gasket between filter and exterior envelope |
01/29/1987 | WO1987000517A1 Flooded biological film reactor for water treatment, with gas charging via a membrane |
01/28/1987 | EP0209935A1 Semipermeable membranes based on polymers containing sulphonate groups |
01/27/1987 | CA1217096A1 Multicomponent membrane for gas separation |
01/22/1987 | DE3524799A1 Process for preparing a treated surface layer, and molecular sieve membrane prepared according to this process |
01/21/1987 | EP0209465A2 Hollow fiber membrane for artificial lung, method for manufacture thereof, and artificial lung using said hollow fiber membrane |
01/21/1987 | EP0209114A2 Amphiphilic polyimide precursor and process for preparing the same |
01/20/1987 | EP0135514A4 Cross linked porous membranes. |
01/17/1987 | CN85101276A Process for separating water vapour from a gaseous mixture containing water vapour and methane |
01/15/1987 | DE3524596A1 Dialysis membrane composed of modified cellulose with improved biocompatibility |
01/14/1987 | EP0208629A1 Process for manufacturing an inorganic membrane support for separation techniques |
01/14/1987 | EP0208450A2 Beer filtration |
01/14/1987 | EP0207951A1 Osmotic concentration by membrane. |
01/13/1987 | US4636314 Gas separation |
01/13/1987 | US4636229 Fumaric diester polymer |
01/07/1987 | EP0207721A2 Anisotropic membranes for gas separation |
01/07/1987 | EP0207100A1 Process for changing the effective pore size of a structure. |
01/06/1987 | US4634531 Membrane treatment method for semipermeable membranes |
01/06/1987 | US4634530 Chemical modification of preformed polybenzimidazole semipermeable membrane |
01/06/1987 | CA1216110A1 Porous regenerated cellulose membrane and process for the preparation thereof |
12/31/1986 | WO1986007544A1 Polyamide membranes |
12/30/1986 | CA1215906A1 Reinforced microporous membrane |
12/23/1986 | US4631157 Production of permeable cellulose triacetate membranes |
12/23/1986 | US4631075 Three layers-polysulfones, polysiloxanes and vinyl halide-vinyl pivalate copolymer |
12/16/1986 | US4629656 Ion exchange inorganic films made up of layered structure insoluble acid salts or tetravalent metals and/or their derivatives, and process for the preparation of same |
12/10/1986 | EP0204512A2 Porous cellulose ester articles having striated surfaces |
12/09/1986 | US4627992 Coagulation, precipitation |
12/09/1986 | US4627859 Facilitated gas enrichment membrane composites and a process for the preparation thereof |
12/04/1986 | WO1986007075A1 Novel fluoropolymer solutions |
12/03/1986 | EP0203755A2 Polymer solutions |
12/03/1986 | EP0203577A2 Novel fluoropolymer solutions |
12/02/1986 | US4626468 Microporous support layer with interfacially polymerized copolyamide thereon |
11/26/1986 | EP0202850A2 Membranes |
11/26/1986 | EP0202849A2 Solution of polymeric material |
11/26/1986 | EP0202841A2 Gas separation |
11/26/1986 | EP0202554A2 Hollow fiber |
11/25/1986 | US4625000 Sulfonated with silyl halosulfonate then cleavage of silyl group |
11/25/1986 | US4624760 Filter cleaning |
11/20/1986 | WO1986006589A1 Removing and recovering plant polyphenols |
11/18/1986 | US4623670 Mixing with and extraction of pore-formers |
11/18/1986 | CA1214154A1 Method for reproducing oxygen and nitrogen and membrane therefor |
11/12/1986 | EP0201361A1 Asymmetric or composite membranes based on polyquinoxalines, and their use in gas permeation |
11/12/1986 | CA1213873A Porous materials for concentration and separation of hydrogen or helium, and process therewith for the separation of the gas |
11/12/1986 | CA1213793A Reverse osmosis membranes based on hydroxyalkyl methacrylate and methacrylic acid copolymers |
11/05/1986 | EP0199901A2 Supporting layer for a semi-permeable membrane and method for making it |
11/05/1986 | EP0199844A2 Process and device for separating hydrogen from a substance mixture, especially a gas mixture |
11/04/1986 | USRE32277 Hollow fibers of cuprammonium cellulose and a process of the manufacture of same |
11/04/1986 | US4620955 Forming a gel sheet, heating, stretching, solvent extraction |
10/28/1986 | US4619995 Films for food preservation |
10/28/1986 | US4619897 Hydrophilic and hydrophobic |
10/28/1986 | US4619767 Composite semipermeable membrane |
10/22/1986 | EP0197996A1 Microporous membranes of ultrahigh molecular weight polyethylene |
10/22/1986 | EP0197969A1 Process for the preparation of cellulose film, cellulose film produced thereby, artificial skin graft and its use. |
10/21/1986 | US4618534 Composite membrane and process for producing the same |
10/09/1986 | WO1986005707A1 Reversed phase membranes |
10/07/1986 | US4616041 Membranes of substantially non-crosslinked organic polymers |
10/07/1986 | CA1212498A1 Polymers having acid functionality |
09/30/1986 | US4614586 Sulfonated polyarylacetylene |
09/24/1986 | EP0195549A2 A separation membrane and process for manufacturing the same |
09/23/1986 | US4613625 Treated with acid halide to provide acid radicals within membrane |
09/23/1986 | US4613467 Fluorosulfonated carboxylic acid derivative as intermediate for cation exchange membrane copolymer |
09/23/1986 | US4613440 Composite membranes based on interpenetrating polymer networks |
09/23/1986 | CA1211662A1 Apparatus for the separation of hydrogen sulfide from a gas mixture |
09/17/1986 | EP0194684A2 A composite membrane for use in gas separation |
09/16/1986 | US4612119 Polysulfones |
09/16/1986 | US4612118 Composite semipermeable membrane of polyamine and trianzine |
09/10/1986 | EP0193725A2 Process for spinning hollow fiber membranes |
09/09/1986 | US4610791 Dialysis membrane and method of making |
09/09/1986 | US4610762 Method for forming polymer films having bubble release surfaces |
09/04/1986 | EP0160050A4 Substituted aliphatic polyamide porous membranes. |
09/03/1986 | EP0193318A2 Microporous membrane of ultra-high molecular weight alpha-olefin polymer |
09/02/1986 | US4609728 Method of treating a cellulosic hollow fiber |
09/02/1986 | US4609468 Phosphoric or sulfuric acid; polyvinyl alcohol, polyvinyl fluoride, polyoxyethylene glycol, cellulose acetates |
09/02/1986 | US4609464 Hollow fibers for use in dialysis and artificial kidney |
08/27/1986 | EP0192143A2 Permeable polymer membrane for desiccation of gas |
08/27/1986 | CN85108100A Process for the preparation of cellulose film, cellulose film produced thereby, artificial skin graft and its use |
08/26/1986 | US4608319 Extended surface area amorphous metallic material |
08/26/1986 | US4608172 Hydrophilic polycarbonates |
08/20/1986 | EP0191237A1 Aqueous emulsions containing hydrophilic silicone-organic copolymers |
08/20/1986 | EP0191209A1 Thin-film semipermeable membranes, a method for their preparation and hydrogen-sensing and-separating devices including them |
08/19/1986 | US4607088 Shaped body for gas separation |
08/19/1986 | US4607070 Block polymer, phase boundary process |
08/19/1986 | US4606943 Method for preparation of semipermeable composite membrane |
08/19/1986 | US4606824 Limulus amebocyte lysate |
08/19/1986 | CA1209764A1 Reverse osmosis membrane quenching |
08/13/1986 | EP0190647A2 Copolymer, separating membrane made thereof and method for separating charge transfer interactive substance from a liquid mixture containing the same |
08/13/1986 | EP0190558A2 Method for the manufacture of a hydrophilic porous membrane |
08/13/1986 | EP0190505A1 Hydrophilic silicone-organic copolymer elastomers |
08/13/1986 | EP0190212A1 Separation of water from organic fluids. |
08/12/1986 | US4605685 Cationic, anionic polymers |
08/12/1986 | US4605526 Spreading a polymer solution over a polar liquid, then desolventiz |
08/05/1986 | US4604326 Porous regenerated cellulose hollow fiber and process for preparation thereof |
08/05/1986 | US4604208 Liquid filtration using an anionic microporous membrane |
08/05/1986 | US4604204 With cyanuric chloride, polymer, and compound containing ionic group |
08/05/1986 | CA1209057A1 Microporous filter system and process |
07/30/1986 | EP0189019A1 Structure with membranes having pores extending throughout, process for producing this structure and its uses |
07/30/1986 | EP0188950A1 Process for the production of porous and permeable inorganic membranes |