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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04/03/1985 | EP0135760A1 Polyether-polycarbonates for dialysis-membranes |
04/03/1985 | EP0135593A1 Hollow fibers for use in dialysis and artificial kidney |
04/03/1985 | EP0135514A1 Cross linked porous membranes. |
04/02/1985 | US4508852 Compositions and method of preparation by chlorosulfonation of difficultly sulfonatable poly(ether sulfone) |
04/02/1985 | CA1184716A1 Plasma phoresis membrane |
04/02/1985 | CA1184715A1 Porous sulfone polymer membrane and process for its preparation |
03/27/1985 | EP0135069A2 Composite membrane having a surface layer of an ultrathin film of cage-shaped zeolite and processes for production thereof |
03/19/1985 | US4505985 Membranes based on silicic acid heteropolycondensates and a process for their production |
03/19/1985 | US4505822 Process for separating substances from one another using a fibrin gel filter |
03/19/1985 | US4505817 Fibrin gel-containing filter of porous material |
03/13/1985 | EP0134056A2 Method for producing a very thin, dense membrane and (supported) membrane so produced |
02/26/1985 | US4501835 Membranes;filters |
02/26/1985 | US4501793 Cellulose and polymer fibers |
02/26/1985 | US4501785 Dialysis, water treatment |
02/26/1985 | CA1182960A1 Method for making a porous thermoresin structure |
02/26/1985 | CA1182959A1 Reverse osmosis membrane and process for making the same |
02/19/1985 | US4500667 Polymer blended membranes |
02/12/1985 | CA1182258A1 Semipermeable membranes of modified styrene-based polymers, process for their manufacture and their use |
01/30/1985 | EP0132299A2 Starch-base semipermeable films |
01/29/1985 | US4496535 Shape-memory, dimensional stability |
01/29/1985 | US4496456 Method for preparing thin regenerated cellulose membranes of high flux and selectivity for organic liquids separations |
01/22/1985 | CA1181206A1 Hollow fibre membrane for plasma separation |
01/17/1985 | WO1985000176A1 Starch-based semipermeable films |
01/16/1985 | EP0131559A1 Amorphous aryl substituted polyarylene oxide membranes |
01/16/1985 | EP0131143A1 A method of treating a cellulosic hollow fiber |
01/15/1985 | US4493928 Crosslinked chitin derivatives |
01/15/1985 | US4493716 Apparatus for the separation of hydrogen sulfide from a gas mixture |
01/15/1985 | US4493714 Ultrathin film, process for production thereof, and use thereof for concentrating a specified gas in a gaseous mixture |
01/15/1985 | CA1180859A1 Method and apparatus for producing hollow metal microspheres and microspheroids |
01/15/1985 | CA1180858A1 Semipermeable membrane |
01/09/1985 | EP0130966A1 Cross-linked polyphenylene oxide |
01/09/1985 | EP0130965A1 Cross-linked polyphenylene oxide |
01/09/1985 | EP0130964A1 Amino ketone cross-linked polyphenylene oxide |
01/09/1985 | EP0130963A1 Cross-linked polyarylene oxide membranes |
01/02/1985 | CA1180235A Composite semipermeable membrane and process for preparation thereof |
12/27/1984 | EP0129420A2 Surfactant treated polyolefinic microporous materials capable of multiple re-wetting with aqueous solutions |
12/27/1984 | EP0129295A2 An ion exchanger |
12/27/1984 | CA1179809A Process for preparation of improved semipermeable composite membranes |
12/25/1984 | US4490431 0.1 Micron rated polypropylene membrane and method for its preparation |
12/19/1984 | EP0128325A2 Membrane of regenerated cellulose with diffusion properties and method for its preparation |
12/18/1984 | US4488886 Amorphous aryl substituted polyarylene oxide membranes |
12/18/1984 | CA1179460A1 Semipermeable membranes and process for producing the same |
12/06/1984 | WO1984004696A1 Particle adsorption |
12/05/1984 | EP0126994A2 Porous regenerated cellulose hollow fiber and process for preparation thereof |
12/04/1984 | US4486376 Process for modifying porous polymeric membrane |
11/27/1984 | US4485056 Production of aromatic polyimide separating membranes |
11/27/1984 | US4484935 Polydimethyl siloxane coating; for gas separation |
11/21/1984 | EP0125908A2 Asymmetric polyimide reverse osmosis membrane, method for preparation of same and use thereof for organic liquid separations |
11/21/1984 | EP0125907A1 Separation of dewaxing solvent from dewaxed oil in a lube oil dewaxing process using asymmetric polyimide membranes |
11/20/1984 | US4483903 Dry-spun hollow polyacrylonitrile fibres and filaments and process for the production thereof |
11/20/1984 | US4483901 Selectively gas-permeable composite membrane and process for production thereof |
11/20/1984 | US4483694 Oxygen gas permselective membrane |
11/13/1984 | US4482514 Process for the production of an ultrafiltration membrane from polyamide |
11/13/1984 | US4482360 Porous materials for concentration and separation of hydrogen or helium, and process therewith for the separation of the gas |
11/13/1984 | CA1178000A1 Process for making liquid composition, and product thereof |
11/13/1984 | CA1177783A1 Fluorinated reinforced polymer membrane with sulfonyl and/or carboxyl groups |
11/07/1984 | EP0124028A2 Heterogeneous membrane and process for production thereof |
11/06/1984 | US4481260 Aromatic polysulfone type resin hollow fiber membrane and process for producing the same |
11/06/1984 | CA1177596A1 Mixtures of glycidylated hydantoins and polyhydric phenols and the use thereof for the preparation of plastics |
10/31/1984 | EP0123647A1 Process for inhibiting the gelatinising of concentrated aqueous photoactivator solutions |
10/17/1984 | EP0121911A2 Hollow fiber filter medium and process for preparing the same |
10/16/1984 | US4477634 Modified acrylonitrile polymer containing semipermeable membranes |
10/16/1984 | CA1176013A1 Hollow fiber of cuprammonium regenerated cellulose and process for producing the same |
10/02/1984 | US4474858 Aromatic polyimide gas-separating membrane |
10/02/1984 | US4474662 Evaporating thin film of polyamide and cyclizing |
10/02/1984 | CA1175596A1 Hydrophilic polyurethane diacrylate composition |
09/27/1984 | WO1984003645A1 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture |
09/25/1984 | US4473476 Drying in nitrogen, vapor deposition of metal halide, then hydrolysis to oxide |
09/25/1984 | US4473475 Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluids |
09/25/1984 | US4473474 Cationic polymers |
09/25/1984 | CA1174813A1 Blended, polymeric, matrix membrane and process of making and using same |
09/18/1984 | CA1174794A1 Cross-linked hydrophilic polymers |
09/18/1984 | CA1174408A1 Ultrafiltration membrane of polyamide and process for the preparation thereof |
09/12/1984 | EP0117919A2 A membrane treatment method for semipermeable membranes |
09/11/1984 | US4471110 Reverse osmosis |
09/11/1984 | US4470831 Permselective membrane |
08/30/1984 | WO1984003228A1 Hollow fibers for use in dialysis and artificial kidney |
08/28/1984 | US4468503 Amino ketone cross-linked polyphenylene oxide |
08/28/1984 | US4468502 Cross-linked polyphenylene oxide |
08/28/1984 | US4468501 Halogenated polyphenylene oxide crosslinked with ammonia |
08/28/1984 | US4468500 Amino ketone cross-linked polyphenylene oxide |
08/28/1984 | CA1173308A1 Method of producing a tubular filter element having high permeability |
08/28/1984 | CA1173211A1 Film or hollow filament membrane of polycarbonate/polyether block copolymer |
08/16/1984 | WO1984003055A1 Transfer of macromolecules from a chromatographic substrate to an immobilizing matrix |
08/16/1984 | WO1984003054A1 Cross linked porous membranes |
08/07/1984 | US4464498 Membrane for concentrating amino acids and process for concentrating amino acids |
08/07/1984 | US4464321 Process for the preparation of chitosan fibers |
08/01/1984 | EP0114286A2 Semi-permeable encapsulated membranes, process for their production and their use |
07/31/1984 | CA1171615A1 Dialysis membrane of cellulose |
07/31/1984 | CA1171614A1 Modified polysulfones containing semipermeable membranes, process for their manufacture and their use |
07/24/1984 | CA1171284A2 Hollow inorganic film forming material microspheres |
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 | EP0112724A1 Process for sulphonating polysulphones |
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 |
07/03/1984 | US4457885 Process for the production of dry-spun hollow polyacrylonitrile fibers and filaments |
07/03/1984 | CA1170255A1 Shaped material of chitin derivatives |
07/03/1984 | CA1170010A1 Porous vinylidene fluoride polymer membrane and process for its preparation |