Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858) |
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10/13/1992 | US5154827 Laminated microporous fluorocarbon membrane and fluorocarbon filter cartridge using same |
10/07/1992 | EP0506916A1 Nose-filter and process for producing the same |
10/06/1992 | US5152894 Aromatic polyamide |
09/29/1992 | US5151227 Process for continuous spinning of hollow-fiber membranes using a solvent mixture as a precipitation medium |
09/29/1992 | US5151217 Micro-emulsions |
09/29/1992 | US5151193 Membranes for ultrafiltration |
09/29/1992 | US5151189 Polyether sulfone substrate and a polymer additive of polyvinylpyrrolidone and polyethylene glycol and a charge modifier polyethyleneimine-epichlorohydrin resin |
09/29/1992 | US5151183 Reduction of membrane fouling by surface fluorination |
09/23/1992 | EP0504954A1 Microporous film of polyethylene and process for the production thereof |
09/23/1992 | EP0504839A1 Separation process of catalysts from suspensions by filtration |
09/23/1992 | EP0504686A2 Process for continuous spinning of hollow-fiber membranes using a solvent mixture as a precipitation medium |
09/22/1992 | CA1307632C Forming membrane structure by applying protein suspension to carrier |
09/20/1992 | CA2063324A1 Process for separating catalysts from suspensions by filtration |
09/19/1992 | CA2061104A1 Process for continuous spinning of hollow-fiber membranes using a solvent mixture as a precipitation medium |
09/17/1992 | WO1992015637A2 Process for modifying the surface of mouldings, mouldings so produced and their use for separating substances by adsorption |
09/17/1992 | WO1992015633A2 Improved management of waste solution containing photoresist materials |
09/17/1992 | WO1992015408A1 Specific microsieve, specific composite body |
09/17/1992 | DE4108245A1 Recovery of polar aprotic solvent esp. DMSO from aq. soln. - by sepg. and regenerating solvent after conversion to less water-miscible form |
09/16/1992 | EP0503783A2 Extruded porous structure |
09/15/1992 | US5147549 Membrane separation process |
09/12/1992 | CA2062449A1 Extruded porous structure |
09/10/1992 | DE4207171A1 Surface-modified membranes, etc. useful for adsorptive sepn. - by forming a layer of special polymer on the substrate surface and then grafting with unsatd. monomers |
09/08/1992 | US5146009 Esterification of inorganic acid with olefin, hydrolysis to obtain alcohol, permselectivity |
09/08/1992 | US5145583 Hemodialysis, acrylonitrile copolymer with a sulfonic monomer, hydrophobic polymer |
09/03/1992 | WO1992014783A1 Hydrophilic polymer alloy, fiber and porous film produced therefrom, and production of the same |
09/01/1992 | US5143616 Bonding membrane coated substrate to surface of support by casting from solution in which support is slightly soluble, ultrafiltration |
09/01/1992 | US5143614 Membrane device for filtration, separation, or catalytic reaction |
08/26/1992 | EP0500173A1 Microporous film and process for the production thereof |
08/26/1992 | EP0486521A4 Blotting methods using polyaldehyde activated membranes |
08/26/1992 | EP0476072A4 Dna sequencing using low fluorescence background electroblotting membrane |
08/25/1992 | US5141806 Chromatographic packing, activated catalysts |
08/25/1992 | US5141611 Using polyamide adsorbent |
08/25/1992 | US5141530 Polycarbonate, polyester, and polyestercarbonate semi-permeable gas separation membranes possessing improved gas selectivity and recovery, and processes for making and using the same |
08/19/1992 | EP0499381A1 Membranes |
08/19/1992 | EP0498969A1 Treatment of lower glycol-containing operative fluids |
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 | 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 |
08/11/1992 | US5137635 Polyamideether copolymer |
08/11/1992 | US5137633 Hydrophobic membrane having hydrophilic and charged surface and process |
08/05/1992 | EP0497673A1 Medical material, method for production thereof, and medical apparatus |
08/05/1992 | EP0497334A1 Fixed plate casting system |
08/05/1992 | EP0497185A1 Process for preparing protein non-adsorptive microporous polysulfone membranes |
08/05/1992 | EP0484462A4 Process for treating a porous substrate to achieve improved water and oil repellency |
08/04/1992 | US5136032 Method for separating phosphopolyol compounds using a separating agent |
07/31/1992 | CA2060258A1 Fixed plate casting system |
07/29/1992 | CN1063117A Dloxole /tfe copolymer composites |
07/29/1992 | CA2057092A1 Process for preparing protein non-adsorptive microporous polysulfone membranes |
07/28/1992 | US5133864 Ion exchanger, ethylene-acrylic acid copolymer |
07/22/1992 | EP0495550A2 Temperature resistant mircroporous film |
07/21/1992 | US5131927 Reactive treatment of composite gas separation membranes |
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 | CA1304897C Porous membrane |
07/09/1992 | WO1992011081A1 Diaphragm for the separation of gas mixtures, process for its production and its use |
07/07/1992 | US5128041 Microporous membrane, method of manufacture, and method of use |
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 |
06/25/1992 | 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 | EP0490950A1 Process for surface-grafting of formed materials, in particular also microporous membranes made from nitrogen containing polymers. |
06/24/1992 | EP0490938A1 Microporous adsorbent. |
06/23/1992 | US5124128 Dispersing insoluble filler into solution of incompatible polymers, casting on support |
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 | US5122318 Process for producing an atmosphere for the manufacture of high performing composite elements |
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 | WO1992009357A1 Liquid-filtering film and filtering device using said film |
06/10/1992 | EP0489693A1 Charged asymmetric mosaic membranes |
06/10/1992 | EP0489418A1 Novel multicomponent fluid separation membranes |
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 |
06/05/1992 | CA2056921A1 Multicomponent fluid separation membranes |
06/04/1992 | WO1992009353A1 Dioxole/tfe copolymer composites |
06/03/1992 | EP0488095A1 High efficiency removal of low density lipoprotein-cholesterol from whole blood |
06/03/1992 | EP0487998A2 Production of membrane capillaries for gas separation |
06/02/1992 | CA1302177C Polyvinylidene difluoride structure and method of making |
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 | US5116650 Dioxole/tfe copolymer composites |
05/26/1992 | US5116504 Organic polymer separation membrane having fluorene skeleton and oxygen enrichment device utilizing same |
05/26/1992 | US5116361 Sulfonated polyethyleneoxide-substituted polymers with improved blood compatibility |
05/19/1992 | US5114585 Charged porous filter |
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 | CA2094711A1 Articles having a hydrophilic polymeric shell and method for preparing same |
05/13/1992 | EP0484462A1 Process for treating a porous substrate to achieve improved water and oil repellency. |
05/12/1992 | US5112941 Aromatic polymide separation membrane |
05/12/1992 | US5112892 Casting a solution of a polymer on a support and coagulation |
05/12/1992 | US5112736 Dna sequencing using fluorescence background electroblotting membrane |
05/12/1992 | US5112491 Management of waste solution containing photoresist materials |
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. |
05/05/1992 | US5110385 Ion exchange membranes, bonding a vinyl fluoride copolymer, fluorocarbon dispersant |
04/30/1992 | WO1992006774A1 Membrane-type filter and process of making |