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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08/18/1992 | US5139881 Modified polymeric surfaces and process for preparing same |
08/18/1992 | US5139712 Controlled pore size, only water present is from air humidity |
08/18/1992 | US5139677 Peryaporation across polyurea or polyamide membrane |
08/18/1992 | US5139541 Hydrogen-permeable composite metal membrane |
08/18/1992 | US5139540 Membrane separation of gases |
08/18/1992 | US5139529 Porous polypropylene membrane and methods for production thereof |
08/16/1992 | CA2060588A1 Membranes |
08/12/1992 | EP0498596A1 Process for the manufacture of thin film composite membranes |
08/12/1992 | EP0498414A2 Porous hollow fiber membrane of polypropylene and production thereof |
08/12/1992 | EP0498348A1 A composite membrane that includes a separation membrane |
08/12/1992 | CN1063502A Process for treating mixture containing dewaxing oil dewaxing |
08/12/1992 | CN1063425A Method of producing efficient separating membrane |
08/11/1992 | US5138023 Unsaturated polyesters and crosslinked membranes therefrom for aromatics/saturates separation |
08/11/1992 | US5137635 Polyamideether copolymer |
08/11/1992 | US5137634 Microporous inorgnaic film superimposed on surface of porous anodic aluminum oxide membrane; uniform pore size; crack-and pinhole-free |
08/11/1992 | US5137606 Forming chloroformyloxy-substituted isophthaloyl chloride; reacting hydroxy-substituted isophthalic acid, catlayst, phosgene, solvent |
08/07/1992 | CA2101946A1 Catalyst or membrane precursor systems, catalyst or membrane systems, and method of preparing such systems |
08/05/1992 | EP0497334A1 Fixed plate casting system |
08/05/1992 | EP0497185A1 Process for preparing protein non-adsorptive microporous polysulfone membranes |
08/05/1992 | EP0497096A2 Morphological composite materials formed from different precursors |
08/05/1992 | CN1063235A Preparation of hypertonic polysulfone hollow fibred ultrafiltering film |
08/04/1992 | US5135653 Optical resolution with β-1,4-xylan dibenzoate |
07/31/1992 | WO1992013628A2 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
07/31/1992 | CA2078448A1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
07/31/1992 | CA2060258A1 Fixed plate casting system |
07/30/1992 | DE4102430A1 Porous ceramic or metallic bodies of high, controlled pore content - mfd. by sedimentation of a solid-liquid dispersion, followed by calcination |
07/29/1992 | EP0496496A1 Membrane dehydration process |
07/29/1992 | EP0496328A1 Membrane for a filtration, gas or liquid separation or pervaporation apparatus and method for manufacturing same |
07/29/1992 | EP0495845A1 Porous inorganic membranes. |
07/29/1992 | CN1063117A Dloxole /tfe copolymer composites |
07/29/1992 | CN1017594B Anion exchanger |
07/29/1992 | CA2057092A1 Process for preparing protein non-adsorptive microporous polysulfone membranes |
07/28/1992 | US5134107 Single phase metal-alumina made by sol-gel processing |
07/23/1992 | WO1992011925A1 Impregnating porous inorganic membrane with reactive inorganic binder |
07/23/1992 | WO1992011924A1 A smoke filter |
07/23/1992 | WO1992011921A1 Back flushable filtration device and method of forming and using same |
07/23/1992 | CA2059779A1 Membrane for a filtration, gas or liquid separation and pervaporation equipment, and making process of such a membrane |
07/22/1992 | EP0495735A1 Process for manufacturing highly permeable porous tubes from carbon-carbon composite material and their uses |
07/22/1992 | EP0495550A2 Temperature resistant mircroporous film |
07/22/1992 | EP0495381A2 Heteroaromatic polyethers |
07/22/1992 | CN1017541B Fuel delivery system |
07/21/1992 | US5132415 From cellulose in aprotic solvents with lithium chloride and-or calcium chloride |
07/21/1992 | US5132080 Production of articles from powdered metals |
07/21/1992 | US5132059 Coagulating polyvinyl formal |
07/21/1992 | US5131927 Reactive treatment of composite gas separation membranes |
07/19/1992 | CA2051497A1 Membrane process |
07/15/1992 | EP0494187A1 Porous membranes suitable for separation devices and other uses. |
07/14/1992 | US5130231 Blood plasma test device including a semipermeable membrane made of an expanded hydrophobic material that has been treated with a surfactant |
07/14/1992 | US5130166 Method for reducing the pore size of sintered metal filters by application of an alcoholic solution of a metal alkoxide which is converted to an insoluble hydrous metal oxide |
07/14/1992 | US5130065 Dry-wet spinning, washing, aftertreatment, drying, alcohol solvent |
07/14/1992 | US5130025 Membranes for reverse osmosis, ultrafiltration, dialysis and electrodialysis |
07/14/1992 | US5130024 Polytetrafluoroethylene polymer with coating of fluorine copolymer for water permeability |
07/14/1992 | US5130017 Multi-block polymer comprising a first amide acid prepolymer, chain extended with a compatible second prepolymer, the membrane made therefrom and its use in separations |
07/14/1992 | US5129920 Bundles of poly(2,6-dimethyl-p-phenylene) oxide fibers |
07/14/1992 | CA1304897C Porous membrane |
07/09/1992 | WO1992011081A1 Diaphragm for the separation of gas mixtures, process for its production and its use |
07/07/1992 | US5128439 Saturated polyesters and crosslinked membranes therefrom for aromatics/saturates separation |
07/07/1992 | US5128041 Microporous membrane, method of manufacture, and method of use |
07/07/1992 | CA1304696C Ammonia separation using ion exchange polymeric membranes and sorbents |
07/01/1992 | EP0492446A2 Microporous membranes from poly(ether-etherketone)-type polymers and low melting point crystallizable polymers, and a process for making the same |
06/30/1992 | US5126503 Membrane process for dewatering lube oil dewaxing solvents |
06/30/1992 | US5126428 Polycarbonate from dihydroxy diphenyl cycloalkane |
06/25/1992 | WO1992010528A1 Sulphonated polyorganosiloxane-based membranes, their preparation and use thereof as solid ion conductors |
06/25/1992 | WO1992010280A1 Thin film composite ultrafiltration membrane |
06/25/1992 | DE4040363A1 Polymere fuer die herstellung von folien, membranen, formkoerpern und funktionalisierten oberflaechen auf basis von polysacchariden Polymers for the production of films membranes, formkoerpern and functionalized surfaces based on polysaccharidic |
06/24/1992 | EP0331702B1 Apparatus for drying a wet gas |
06/23/1992 | US5123937 Using gas permeable breathable membrane |
06/17/1992 | EP0490863A1 Surface-modified support membrane and process therefor |
06/17/1992 | CN1017069B Hollow fiber film used in artificial lung, its manufacture and artificial lung using this kind of film |
06/16/1992 | US5122273 Hydrophilic membrane, process for producing a hydrophilic membrane |
06/16/1992 | US5121801 Soluble for crosslinked graft copolymers of lignin based on hydroxyethylmethacrylate and acrylamide |
06/14/1992 | CA2057553A1 Surface-modified support membrane and process therefor |
06/11/1992 | WO1992009359A1 Large-pore-diameter porous hollow yarn membrane of polyethylene, production thereof, and hydrophilic porous hollow yarn membrane of polyethylene |
06/10/1992 | EP0489693A1 Charged asymmetric mosaic membranes |
06/10/1992 | EP0489483A1 Process for coating a substrate with tin oxide and uses for coated substrates |
06/10/1992 | EP0489431A2 Semipermeable membranes based on certain sulfonated substituted polysulfone polymers |
06/10/1992 | EP0489418A1 Novel multicomponent fluid separation membranes |
06/10/1992 | EP0489417A2 A cross-linked semi-permeable gas separation membrane substantially derived from a reaction product of a thermoformable, thermosettable aromatic polycarbonate, polyestercarbonate, and/or polyester polymer and an epoxy resin |
06/09/1992 | US5120576 Impregnating porous inorganic membrane with reactive inorganic binder |
06/09/1992 | US5120440 Surfactant, hydrophobic polymer insoluble in water and alcohol, wate rsoluble polymer |
06/09/1992 | CA1302677C Hydrophilic article and method of producing same |
06/07/1992 | WO1992010276A1 Multi-block polymer comprising an oxazolidone prepolymer chain extended with a compatible second prepolymer, the membrane made therefrom and its use in separations |
06/07/1992 | WO1992010274A1 Membrane made from multiblock polymer |
06/07/1992 | CA2096439A1 Membrane made from multiblock polymer |
06/07/1992 | CA2096437A1 Multi-block polymer comprising an oxazolidone prepolymer chain extended with a compatible second prepolymer, the membrane made therefrom and its use in separations |
06/07/1992 | CA2057122A1 Cross-linked semi-permeable gas separation membrane substantially derived from a reaction product of a thermoformable, thermosettable aromatic polycarbonate, polyestercarbonate, and/or polyester polymer and an epoxy resin |
06/07/1992 | CA2031674A1 Compositions useful for preparing cellulose ester membranes for liquid separations |
06/06/1992 | CA2056930A1 Semipermeable membranes based on certain sulfonated substituted polysulfone polymers |
06/05/1992 | CA2056921A1 Multicomponent fluid separation membranes |
06/04/1992 | WO1992009353A1 Dioxole/tfe copolymer composites |
06/03/1992 | EP0488341A2 Polyimide gas separation membranes and process of using same |
06/03/1992 | EP0488063A1 Cellulose dialysis hollow fibres |
06/03/1992 | EP0488018A2 Capillary membrane for gas separation |
06/03/1992 | EP0487998A2 Production of membrane capillaries for gas separation |
06/03/1992 | EP0487779A1 Compositions useful for preparing cellulose ester membranes for liquid separations |
06/02/1992 | US5118424 Thin film composite membranes from vinyl and related nomomers |
06/02/1992 | CA1302638C Fluorine-containing cyclic polymer |
06/02/1992 | CA1302303C Gas separations using membranes comprising perfluorinated polymers with pendant ionomeric moieties |
06/02/1992 | CA1302177C Polyvinylidene difluoride structure and method of making |
05/27/1992 | EP0486521A1 Blotting methods using polyaldehyde activated membranes |