| 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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| 01/27/1993 | EP0303684B1 Methods of making biocompatible nucleophilic material |
| 01/26/1993 | US5182022 Dewatering of concentrated aqueous solutions by pervaporation |
| 01/26/1993 | US5181941 Platinum or palladium on porous graphite, separation of hydrogen from hydrocarbons |
| 01/26/1993 | US5181940 Permselective Gas Separation Membranes |
| 01/26/1993 | CA2074577A1 Filtration membrane and process for making such membrane |
| 01/23/1993 | CA2060852A1 Method of dehydrating organic oxygenates |
| 01/21/1993 | WO1993000987A1 Mineral filtering membrane having improved permeability and preparation thereof |
| 01/21/1993 | DE4223135A1 Polyarylene ether] for moulded film and fibre - contg. 4,5-bis:hydroxyphenyl oxazole or 2-imidazolidone, for epoxide] thermoplastic and thermosetting matrix resin modifier, adhesive and coating agent |
| 01/20/1993 | EP0523510A2 Aromatic/heterocyclic polyamide membranes, process for manufacturing and use thereof |
| 01/20/1993 | EP0523331A1 Process for the manufacture of a filter material |
| 01/20/1993 | EP0523295A1 Production of supported thin film membranes |
| 01/20/1993 | EP0513131A4 Laminated microporous fluorocarbon membrane and fluorocarbon filter cartridge using same |
| 01/19/1993 | US5180496 Unsaturated polyesters and crosslinked membranes therefrom for aromatics/saturates separation |
| 01/14/1993 | DE4221593A1 Generation of oxygen@ from air |
| 01/13/1993 | EP0522585A1 Process of fabricating porous silicone product |
| 01/13/1993 | EP0472596B1 Surface fluorination of membranes |
| 01/13/1993 | EP0299043B1 Microporous asymmetric polyamide membranes |
| 01/12/1993 | US5178940 Composite or asymmetric fluorine-containing polyimide membrane, a process for manufacturing the same and a method for the separation and concentration of gas using the same |
| 01/12/1993 | US5178766 Composite semipermeable membrane, process of producing the same and method of producing highly pure water using the same |
| 01/12/1993 | US5178765 Hydrophilic membranes prepared from polyethersulfone/poly-2-oxazoline/polyvinylpyrrolidone blend |
| 01/12/1993 | US5178650 Polyimide gas separation membranes and process of using same |
| 01/12/1993 | US5178649 Polyethers |
| 01/12/1993 | CA1312508C Membranes with low protein adsorbability |
| 01/12/1993 | CA1312430C Methods of manufacturing nucleophilic material modified for improved biocompatibility |
| 01/12/1993 | CA1312429C Porous membrane for separation of blood components and method for manufacture thereof |
| 01/07/1993 | WO1993000394A1 Applying a fluoropolymer film to a body |
| 01/07/1993 | WO1993000155A1 A method of applying molecular sieve crystals to a support, and a loaded support thus obtained |
| 01/07/1993 | WO1993000154A1 Inorganic filtration unit |
| 01/07/1993 | EP0521544A1 Hollow fibres of modified poly-(2,6-dimethyl-p-oxy-phenylene) |
| 01/07/1993 | CA2113256A1 A method of applying molecular sieve crystals to a support, and a loaded support thus obtained |
| 01/05/1993 | US5177296 Saturated polyesters and crosslinked membranes therefrom for aromatics/saturates separation |
| 01/05/1993 | US5176724 Polyethersulfone porous support, ultrathin acetylenic polymer film, and interface layer |
| 12/30/1992 | EP0520652A1 Membrane separation process |
| 12/30/1992 | EP0467903B1 Process for the preparation of chlorine-resistant polyester semipermeable membranes |
| 12/29/1992 | US5175242 Phenylated polyimides prepared from 3,6-diarylpyromellitic dianhydride and aromatic diamines |
| 12/29/1992 | US5175196 Hollow fibres of modified poly-(2,6-dimethyl-p-oxy-phenylene) |
| 12/29/1992 | US5174899 Process for separating organometallic compounds and/or metal carbonyls from their solutions in organic media |
| 12/29/1992 | CA1312096C Process for the recovery of alcohols using an organic acid-modified polymer membrane |
| 12/29/1992 | CA1311884C Polysulfone hollow fiber membrane and process for making the same |
| 12/26/1992 | CA2060913A1 Membrane separation process |
| 12/22/1992 | US5173335 Impregnating substrate with diamine, reacting with isocyanate-substituted acyl halide |
| 12/22/1992 | US5173191 Interfacially polymerized membranes for the reverse osmosis separation of organic solvent solutions |
| 12/22/1992 | US5173189 Membrane for separating an organic solvent from a water-organic solvent mixture |
| 12/21/1992 | CA2070967A1 Hollow fibres of modified poly-(2,6-dimethyl-p-oxyphenylene) |
| 12/21/1992 | CA2045109A1 Production of supported thin film membranes |
| 12/16/1992 | EP0518607A2 Membranes having enhanced selectivity and method of producing such membranes |
| 12/16/1992 | CN1066992A Reactive treatment of composite gas separation |
| 12/16/1992 | CN1019454B Membrane unit and membrane device for separation of superpure hydrogen from hydroger containing gas mixture |
| 12/15/1992 | US5171794 Metallization followed by modification with a trialkylsilyl halide and ethylene oxide |
| 12/15/1992 | US5171611 Dissolving fluoropolymer in solvent and a non-solvent, applying to substrate, vaporizing solvent and second liquid to form deposit of polymer in voids and formation of pores; water- and weatherproofing; fabrics, clothing |
| 12/15/1992 | US5171449 Ceramic support, separating layer of polyvinyl alcohol crosslinked with polyaldehyde; water from organo nitrogen compounds |
| 12/15/1992 | US5171445 Mixing polymer, solvent, nonsolvent, casting into thin layer, passing into solvent extraction quench bath within less than half a second, recovering |
| 12/15/1992 | US5171444 Dialysis membrane made of polysaccharide ether |
| 12/15/1992 | US5171264 Immobilized polyethylene oxide star molecules for bioapplications |
| 12/15/1992 | EP0527913A4 Polyvinylidene fluoride membrane. |
| 12/09/1992 | EP0517570A1 Membrane generators having high flexibility |
| 12/08/1992 | US5169576 Sol-gel process controlling rate of particle formation; substituting for alcohol in metal alkoxides, limiting available water |
| 12/08/1992 | US5169416 Process for preparing modified poly-(2,6-dimethyl-p-oxyphenylene) |
| 12/05/1992 | WO1992021715A1 Fluid treated polytetrafluoroethylene products and their manufacture |
| 12/05/1992 | CA2108278A1 Porous products manufactured from polytetrafluoroethylene treated with a perfluoroether fluid and methods of manufacturing such products |
| 12/04/1992 | CA2070150A1 Membrane generators having high flexibility |
| 12/03/1992 | DE4117501A1 Amine-modified polyimide membranes for gas sepn. and ultrafiltration - by mixing polyimide soln. with soluble polyfunctional amine contg. at least 2 prim. amino gps., and casting a membrane from mixt. |
| 12/02/1992 | EP0516121A2 Process for producing porous polytetrafluoroethylene film |
| 12/02/1992 | EP0515936A1 Procedure for the preparation of microporous ceramic membranes for the separation of gas and liquid mixtures |
| 12/02/1992 | EP0515491A1 Inorganic membranes and a process for making inorganic membranes. |
| 12/01/1992 | US5167820 Porous membranes and methods for using same |
| 11/25/1992 | EP0462967B1 Chlorine-resistant semipermeable membranes |
| 11/24/1992 | US5166376 Solvent extraction; ultrafiltration through microporous inorganic membrane |
| 11/24/1992 | US5165963 Composite or asymmetric fluorine-containing polyimide membrane, a process for manufacturing the same and a method for the separation and concentration of gas using the same |
| 11/24/1992 | CA1310455C Hollow porous polypropylene membrane for artificial lung |
| 11/19/1992 | EP0513796A2 Composite structure and method of making |
| 11/19/1992 | EP0513390A1 Porous hollow fiber membrane of polyethylene and production thereof |
| 11/19/1992 | EP0513131A1 Laminated microporous fluorocarbon membrane and fluorocarbon filter cartridge using same |
| 11/18/1992 | CN1019118B Polyimide gas separation membranes and the use |
| 11/17/1992 | US5164475 Porous substrates with a high concentration of amine groups |
| 11/17/1992 | US5164424 Polymer having a betaine structure, solution diffusion membrane, process for producing same and use thereof |
| 11/17/1992 | US5164088 Pervaporation |
| 11/17/1992 | US5163977 Aging resistance |
| 11/17/1992 | CA1310160C Porous polypropylene hollow fiber membrane, method for production thereof and artificial lung |
| 11/17/1992 | CA1310159C Porous polypropylene hollow fiber membrane, method for production thereof and artificial lung |
| 11/16/1992 | WO1992020438A1 Microporous membrane, its manufacture and use |
| 11/16/1992 | CA2068673A1 Composite structure and method of making |
| 11/12/1992 | WO1992019680A1 Biodegradable polymeric compositions based on starch and thermoplastic polymers |
| 11/12/1992 | WO1992019369A1 Process of making porous ceramic materials with controlled porosity |
| 11/12/1992 | WO1992019359A1 Process for removing condensable components from gas streams |
| 11/12/1992 | WO1992019358A1 Membrane fractionation process |
| 11/11/1992 | EP0512527A1 Modified cellulose polymer, blood processor and process for producing same |
| 11/11/1992 | EP0512360A1 Method for pervaporation by a membrane comprising starch and a synthetic thermoplastic polymer |
| 11/11/1992 | CN1018983B Tetrabromo bisphenol based polyester carbonate membranes |
| 11/10/1992 | US5162301 Separation of paramagnetic and diamagnetic gases |
| 11/04/1992 | EP0511900A1 Composite nanofiltration membrane |
| 11/04/1992 | EP0511839A2 Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent |
| 11/04/1992 | EP0511739A1 Synthetic films with zeolite crystal bodies, and methods of making and using them |
| 11/04/1992 | EP0511687A2 Process for recovering organic vapors from air |
| 11/03/1992 | US5160713 Process for separating oxygen from an oxygen-containing gas by using a bi-containing mixed metal oxide membrane |
| 11/03/1992 | US5160672 Method for production of hollow fiber membrane |
| 11/03/1992 | US5160619 Composite reverse osmosis membrane and production thereof |
| 11/03/1992 | US5160618 Fuel cells, oxygen sensors, separators |
| 11/03/1992 | US5160617 Composite inorganic oxide |
| 11/03/1992 | US5160511 Passing drying agent over surface of a lithium neutralized perfluorocarbonsulfonic acid polymer; heat and chemical resistance |