| 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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| 04/20/1993 | US5204140 Process for coating a substrate with tin oxide |
| 04/20/1993 | US5203997 Hydrophilic porous membrane, method of manufacturing the same and liquid filter using the same |
| 04/20/1993 | CA1316462C Method for the manufacture of plates, filter plate, and suction drier |
| 04/20/1993 | CA1316311C Anisotropic membranes for gas separation |
| 04/14/1993 | EP0536995A1 Microporous aluminosilicate ceramic membranes |
| 04/14/1993 | EP0536994A2 Unsaturated polyesters and crosslinked membranes therefrom for aromatics/saturates separation |
| 04/14/1993 | EP0536297A1 Process and apparatus for removal of dna and viruses |
| 04/14/1993 | CN1070894A Mixing-ultra filtering method treating system for cotton size black fluid |
| 04/14/1993 | CN1070841A Hollow fiber membranes |
| 04/13/1993 | CA1316290C Process for the polymerization of tri-substituted silylalkynes |
| 04/11/1993 | CA2078973A1 Multilayered catalyst for controlled transport of reactant |
| 04/11/1993 | CA2078743A1 Composite metal-ceramic membranes and their fabrication |
| 04/08/1993 | CA2073399A1 Membrane and method of separation |
| 04/07/1993 | EP0535897A1 Ultra thin zircon coating and membrane |
| 04/07/1993 | EP0535471A1 A composite layered material containing a silicone resin substrate |
| 04/07/1993 | EP0535379A1 Dehumidifying device |
| 04/07/1993 | EP0338004B1 Polymer with betaine structure, solution diffusion membrane, process for their manufacture and use |
| 04/07/1993 | CN1070592A Interfacially synthesizd reverse osmosis membranes and processes for preparing same |
| 04/06/1993 | US5200078 With specified nitrogen flux |
| 04/06/1993 | CA1315732C Process for manufacturing a partially permeable membrane |
| 04/06/1993 | CA1315731C Process for manufacturing a microfilter |
| 04/01/1993 | WO1993006045A1 Treatment of aqueous media containing organic material |
| 04/01/1993 | WO1993005871A1 Hydrophilic membranes prepared from polyethersulfone/poly-2-oxazoline/polyvinylpyrrolidone blend |
| 04/01/1993 | WO1993005866A1 Semi-permeable membranes derived from reactive oligomers |
| 04/01/1993 | DE4227720A1 Prepn. of coatings of spinel - by hydrolysing magnesium aluminium-alkoxide in presence of water, peptising suspension with acid, ageing suspension, coating substrate with resulting colloidal soln., drying and calcining |
| 04/01/1993 | CA2119383A1 Treatment of aqueous media containing organic material |
| 04/01/1993 | CA2118801A1 Semi-permeable membranes derived from reactive oligomers |
| 03/31/1993 | CN1070423A Sterilization method for liquid culture medium |
| 03/30/1993 | US5198525 Aromatic copolyether sulfones |
| 03/30/1993 | US5198505 Heat treated membrane |
| 03/30/1993 | US5198316 Self crosslinking polyimides for protective coatings or relief images with development in alkaline solutions |
| 03/30/1993 | US5198119 Semipermeable Membranes |
| 03/30/1993 | US5198112 Support and polymers |
| 03/24/1993 | EP0532687A1 Semipermeable composite membrane. |
| 03/23/1993 | US5196604 Colorless, radiation transparent, permselectivity; low dielectric constant |
| 03/23/1993 | US5196508 Method for making uniform polyvinylidene difluoride membranes |
| 03/23/1993 | US5196380 Manganese or alkali metal, semiconductor manufacture |
| 03/23/1993 | US5196257 Monomolecular porphyrin layers, amphiphilic |
| 03/23/1993 | CA1314669C Method of manufacturing an integral asymmetrical membrane |
| 03/18/1993 | WO1993004769A1 Permselective polyacrylonitrile copolymer membrane and production thereof |
| 03/17/1993 | EP0532282A1 Supported microporous ceramic membranes |
| 03/17/1993 | EP0532199A1 Silicone-derived solvent stable membranes |
| 03/17/1993 | EP0532198A1 Polyphenylene oxide-derived membranes for separation in organic solvents |
| 03/17/1993 | EP0532037A1 Tubing and hollow fibers comprising non-crosslinked polyvinyl alcohol hydrogels and method for preparing same |
| 03/17/1993 | EP0477224B1 Perfluorodioxole membranes |
| 03/16/1993 | US5194200 Hydrolysis of silicon alkoxide with ammonia until a sol is formed, dialysis, acidifying, evaporation and sintering |
| 03/16/1993 | US5194154 Structure for filter or heat exchanger, composed of a fused single crystal acicular ceramic |
| 03/10/1993 | EP0531095A1 Single phase metal-alumina made by sol-gel processing |
| 03/10/1993 | CA2077579A1 Supported microporous ceramic membranes |
| 03/09/1993 | US5192445 Membrane suitable for the dehydration of organic oxygenates |
| 03/09/1993 | US5192444 Separating with an agent comprising an aliphatic ester of a polysaccharide |
| 03/09/1993 | US5192440 Hollow cellulose dialysis fibers |
| 03/09/1993 | US5192320 Membranes of polyethylene with hollow fibers |
| 03/04/1993 | WO1993004223A1 Microporous hollow fiber or film membrane of poly(phenylene sulfide) (pps) |
| 03/04/1993 | WO1993003829A1 Hollow dialysis filament |
| 03/04/1993 | WO1993003821A1 Semi-permeable gas separation membranes having non-ionic surfactants disposed on a membrane surface or within membrane structure and processes for making and using the same |
| 03/04/1993 | CA2115826A1 Microporous hollow fiber or film membrane of poly(phenylene sulfide) (pps) |
| 03/03/1993 | EP0529741A1 Procedure for the preparation of halogenated 1,3-dioxolanes |
| 03/03/1993 | EP0529682A2 Membrane filtration unit and cassette, and method of making a membrane filtration unit |
| 03/03/1993 | EP0529052A1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures. |
| 03/03/1993 | EP0343247B1 Porous polytetrafluoroethylene membrane, separating apparatus using same, and process for their production |
| 03/03/1993 | CN1069425A Polysulfone millipore filtering membrane |
| 03/02/1993 | US5191151 Use of silver-exchanged ionomer membranes for gas separation |
| 03/02/1993 | US5191111 Manufacture of isocyanate-substituted isophtholayl chloride |
| 03/02/1993 | US5190813 Polytetrafluoroethylene, cation exchange resin, platinum |
| 03/02/1993 | US5190654 Process for producing an ultra-thin and asymmetric mineral membrane |
| 03/02/1993 | US5190637 Formation of microstructures by multiple level deep X-ray lithography with sacrificial metal layers |
| 03/02/1993 | CA1314006C Gas dehydration membrane apparatus |
| 02/24/1993 | EP0528582A1 Durable filtration membrane having optimized molecular weight |
| 02/24/1993 | EP0527992A1 Process for modifying the surface of mouldings in the form of microporous membranes, mouldings so produced and their use for separating substances by adsorption |
| 02/24/1993 | EP0527913A1 Polyvinylidene fluoride membrane. |
| 02/23/1993 | US5188734 Ultraporous and microporous integral membranes |
| 02/23/1993 | CA1313886C Preparation of titanium ceramic membranes |
| 02/23/1993 | CA1313736C Method of manufacturing a reverse osmosis membrane and the membrane so produced |
| 02/23/1993 | CA1313734C2 Felted pad based on fibers of cellulose and of organic microporous membrane |
| 02/20/1993 | CA2071559A1 Durable filtration membrane having optimized molecular weight |
| 02/18/1993 | WO1993002858A1 Sixeftm-durene polyimide hollow fibers |
| 02/18/1993 | WO1993002767A1 High selectivity hollow fibers |
| 02/17/1993 | EP0527348A1 Interfacially synthesized reverse osmosis membranes and processes for preparing the same |
| 02/17/1993 | CN1068974A Manufacturing for asymmetry polyimide gas separating film |
| 02/16/1993 | US5186833 Composite metal-ceramic membranes and their fabrication |
| 02/13/1993 | CA2074057A1 Interfacially synthesized reverse osmosis membranes and processes for preparing the same |
| 02/11/1993 | DE4226205A1 Porous polyolefin sepg. membrane prepn. - by forming polyolefin film in diluent, cooling, extracting diluent, and evapn. of extracting-solvent |
| 02/10/1993 | EP0526857A1 Hollow fiber membranes |
| 02/09/1993 | CA1313442C Process for making microporous products and the products thereof |
| 02/09/1993 | CA1313441C Hydrophilic porous membrane, method for production thereof, and plasma separator using said membrane |
| 02/03/1993 | EP0526203A1 Separation membrane |
| 02/03/1993 | EP0525842A2 Storage vessel |
| 02/03/1993 | EP0525630A2 Polytetrafluoroethylene porous film and preparation and use thereof |
| 02/03/1993 | EP0525204A1 Hydrophilic polymer alloy, fiber and porous film produced therefrom, and production of the same |
| 02/03/1993 | EP0525113A1 Porous polybenzoxazole and polybenzothiazole membranes |
| 02/03/1993 | EP0525101A1 Polybenzazole polymers containing indan moieties |
| 02/03/1993 | EP0368974B1 Process for producing silicon caoutchouc tube membranes with mechanical wall reinforcement, development of tube membranes with mechanical wall reinforcement and their use |
| 02/02/1993 | US5183607 Semipermeable microporous bodies: melt-mixing thermoplastic polymer and leachable glass particles; shaping; leaching without disrupting continuous polymer network |
| 02/02/1993 | US5183571 Multilayer membrane and process of manufacturing the same |
| 02/02/1993 | US5183482 Separation by membrane techniques |
| 02/02/1993 | CA2075098A1 Hollow fiber membranes |
| 01/27/1993 | EP0524740A2 Method of dehydrating organic oxygenates |
| 01/27/1993 | EP0524678A1 Method for the manufacture of a ceramic membrane for micro or ultra filtration |
| 01/27/1993 | EP0524592A1 Filtration membrane and process for the preparation thereof |