Patents for B01D 69 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor (16,729) |
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07/23/1992 | WO1992012241A1 A method of preventing the occlusion of a filter, membrane or the like upon separation of contaminants from liquid phase |
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 |
07/19/1992 | CA2051497A1 Membrane process |
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 | 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 | US5127925 Contacting with polysilicone having solid adsorbent incorporated |
07/07/1992 | CA1304697C Ammonia separation using semipermeable membranes |
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 |
06/25/1992 | 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 |
06/23/1992 | 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 |
06/14/1992 | 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 |
06/11/1992 | WO1992009358A1 Flat sheet type separating film leaf |
06/11/1992 | WO1992009357A1 Liquid-filtering film and filtering device using said film |
06/10/1992 | EP0489693A1 Charged asymmetric mosaic membranes |
06/10/1992 | EP0489573A1 Separation of hydrocarbon dewaxing and deasphalting solvents from dewaxed and/ or deasphalted oil using interfacially polymerized membrane |
06/10/1992 | EP0489418A1 Novel multicomponent fluid separation membranes |
06/10/1992 | EP0489403A2 Filter for parenteral systems |
06/09/1992 | US5120568 Generating high temperature gas, depressurizing, pumping fluid reactants and impinging to form plasma polymerization |
06/09/1992 | US5120440 Surfactant, hydrophobic polymer insoluble in water and alcohol, wate rsoluble polymer |
06/09/1992 | CA1302903C Method of regenerating a separation means for a liquid medium containing undissolved constituents and a separation apparatus |
06/09/1992 | CA1302677C Hydrophilic article and method of producing same |
06/06/1992 | CA2047112A1 Separation of hydrocarbon dewaxing and deasphalting solvents from dewaxed and/or deasphalted oil using interfacially polymerized membrane |
06/05/1992 | CA2056921A1 Multicomponent fluid separation membranes |
06/03/1992 | EP0488665A1 Adsorbents for the removal of volatile substances from aqueous systems |
06/03/1992 | EP0488095A1 High efficiency removal of low density lipoprotein-cholesterol from whole blood |
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 |
06/02/1992 | US5118424 Thin film composite membranes from vinyl and related nomomers |
05/31/1992 | CA2056020A1 Adsorbents for the removal of volatile substances from aqueous systems |
05/28/1992 | CA2055515A1 High efficiency removal of low density lipoprotein-cholesterol from whole blood |
05/27/1992 | EP0486521A1 Blotting methods using polyaldehyde activated membranes |
05/26/1992 | US5116504 Organic polymer separation membrane having fluorene skeleton and oxygen enrichment device utilizing same |
05/19/1992 | US5114581 Back-flushable filtration device and method of forming and using same |
05/19/1992 | US5114515 Method for forming polymer composite films using removable substrates |
05/19/1992 | CA1300836C Non-adsorptive semipermeable filtration membrane |
05/14/1992 | WO1992007899A2 Articles having a hydrophilic polymeric shell and method for preparing same |
05/14/1992 | WO1992007649A1 Composite membrane for facilitated transport processes |
05/14/1992 | CA2094711A1 Articles having a hydrophilic polymeric shell and method for preparing same |
05/13/1992 | EP0485077A1 Solvent extraction process involving membrane separation of extract phase and/or intermediate zone phase with pseudo extract/pseudo raffinate recycle |
05/13/1992 | EP0484466A1 Membrane for separating liquid mixtures of substances by pervaporation. |
05/12/1992 | CA1300806C Hydrophilic porous membrane of polyvinylidene fluoride and methodfor production thereof |
05/06/1992 | EP0483143A1 Membrane affinity apparatus and purification methods related thereto. |
05/06/1992 | CA2054046A1 Solvent extraction process involving membrane separation of extract phase and/or intermediate zone phase with pseudo extract/pseudo raffinate recycle |
05/05/1992 | US5110385 Ion exchange membranes, bonding a vinyl fluoride copolymer, fluorocarbon dispersant |
04/30/1992 | WO1992006775A1 Reverse osmosis or nanofiltering membrane and process for its manufacture |
04/29/1992 | EP0482171A1 Membrane for isolating virus from solution |
04/29/1992 | CN1060614A Making technology of reinforcement super filter membrane |
04/28/1992 | US5108607 Polyamide-imide copolymer and additive of polyethylene glycol and polyvinylpyrrolidone |
04/28/1992 | US5108474 Smoke filter |
04/28/1992 | CA1299449C Composite separation membranes and the preparation and use thereof |
04/22/1992 | EP0481517A1 Asymmetric polymer membrane and preparation thereof |
04/16/1992 | WO1992005864A1 Filter for liquor filtration |
04/15/1992 | EP0480599A1 Membrane suitable for the dehydration of organic oxygenates |
04/15/1992 | EP0480039A1 Composite membrane |
04/14/1992 | US5104729 Coating with surfactant, hydrogel |
04/14/1992 | US5104425 Gas separation by adsorbent membranes |
04/14/1992 | CA1298739C Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups |
04/12/1992 | CA2049169A1 Membrane suitable for the dehydration of organic oxygenates |
04/08/1992 | EP0479187A1 Filter for liquor filtration |
04/08/1992 | EP0478842A1 Filter for the filtration of human cerebrospinal fluid |
04/07/1992 | US5102600 Increased draw ratio; membrane for gas separation |
04/07/1992 | US5102590 Process for hollow fiber membrane for artificial lung |
04/07/1992 | US5102552 Used for separation processes of gases or liquids |
04/07/1992 | US5102549 Treatment of lower glycol-containing operative fluids |
04/07/1992 | US5102547 Filters formed of poymer fabrics including disperse metals, alloys, water insoluble hydoxides, inorganic or organic salts and soaps of metals; used in micro/ultra/nanofiltration, reverse osmosis, electrodialysis and electrodeionization |
04/07/1992 | US5102539 Method of producing a membrane and a membrane for microfiltration, ultrafiltration, pervaporation or reverse osmosis of suspensions, emulsions and for gas separation |
04/02/1992 | WO1992005595A1 Polymer membrane |
04/02/1992 | WO1992004987A1 Method and apparatus for applying polymeric coating |
03/29/1992 | WO1992005865A1 Filtration film |
03/29/1992 | CA2069758A1 Filtration membrane |
03/25/1992 | EP0476875A2 Process for the purification and concentration of biologically active materials |
03/25/1992 | EP0476866A1 Improved polymeric membranes |
03/25/1992 | EP0476370A2 Process for the separation of water from mixtures containing water and alcohols and/or carboxylic acids and/or carboxylic acid esters |
03/25/1992 | EP0476363A1 Zeolite membrane |
03/25/1992 | CN1059737A Oxygen-permeable polymeric membranes |
03/25/1992 | CN1059736A Oxygen-permeable polymeric membranes |
03/25/1992 | CN1059672A Oxygen-separating porous membranes |
03/24/1992 | US5098574 Purification with membranes and filtration |
03/24/1992 | US5098569 Modified surface polymers as supports |
03/24/1992 | US5098566 Osmotic distillation process and semipermeable barriers therefor |
03/21/1992 | CA2090970A1 Polymer membrane |
03/19/1992 | WO1992004109A1 Gas separation membrane with ultrathin layer |
03/19/1992 | DE4105210C1 Cross-flow micro-filter for particle concn. in suspension - is cyclically backflushed to prevent passage of small particles through funnel-shaped pores |
03/18/1992 | EP0475608A1 Membrane and use thereof in an ileostomy bag |
03/18/1992 | EP0475053A1 Oxygen-separating porous membranes |