| 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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| 11/03/1992 | US5160352 Method of forming membranes useful for separation of gases |
| 11/03/1992 | US5160046 Membrane separation process |
| 10/30/1992 | CA2052550A1 Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent |
| 10/29/1992 | WO1992015637A3 Process for modifying the surface of mouldings, mouldings so produced and their use for separating substances by adsorption |
| 10/29/1992 | WO1992015382A3 Filtration fabric laminates |
| 10/29/1992 | DE4113420A1 Hollow polyacrylonitrile fibres, useful for membrane processes - mfd. by dry-wet or wet spinning from special spinning solns. contg. PAN and non-solvent etc., with simultaneous extrusion of core fluid |
| 10/29/1992 | DE4113419A1 Internally coated hollow polyacrylonitrile fibres for membrane applications - by treating with cyclohexane, then with alcohol-contg. solns. of PVA and maleic anhydride-ceric salt, and heating to seal larger pores |
| 10/29/1992 | DE4113418A1 Hollow fibres of polyacrylonitrile for membrane applications - are made swellable on sepn.-active face by hydrolysis with strong alkali to improve sepn. limits |
| 10/28/1992 | EP0511110A2 Bacteria removal by ceramic microfiltration |
| 10/28/1992 | EP0510574A1 Reactive treatment of composite gas separation membranes |
| 10/28/1992 | EP0510071A1 Ultrathin-film composite membrane |
| 10/28/1992 | EP0419579B1 Composite membrane |
| 10/27/1992 | USRE34115 Method for modifying asymmetric membranes by endo-treating |
| 10/27/1992 | US5159130 Permselectivity |
| 10/27/1992 | US5158721 Porous membrane formed from interpenetrating polymer network having hydrophilic surface |
| 10/27/1992 | US5158680 Devoid of a fibrillated portion |
| 10/27/1992 | CA1309374C Porous anodic aluminium oxide films |
| 10/27/1992 | CA1309219C Electrodialysis membranes comprising sulfonated constituents |
| 10/23/1992 | CA2066554A1 Reactive treatment of composite gas separation membranes |
| 10/21/1992 | EP0509663A1 Dialysis module with a selectively transmissive polysulfonic hollow fiber membrane and method of manufacture thereof |
| 10/21/1992 | EP0509415A1 Synthetic hydrophil membranes and process for their preparation |
| 10/21/1992 | EP0509260A1 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 |
| 10/20/1992 | US5156740 Multi-layer membrane and the use thereof for the separation of liquid mixtures according to the pervaporation process |
| 10/20/1992 | US5156656 Gas separation |
| 10/16/1992 | CA2063228A1 Composite or asymmetric fluorine-containing polyimide membrane, a process for manufacturing the same and a method for the separating and concentration of gas using the same |
| 10/15/1992 | WO1992017265A1 Ultraporous and microporous membranes and method of making membranes |
| 10/15/1992 | WO1992007899A3 Articles having a hydrophilic polymeric shell and method for preparing same |
| 10/14/1992 | EP0508539A2 Preparation of poly-(2,6-dimethyl-P-oxyphenylene) functionalized with trialkyl-silyl and hydroxy-ethyl groups |
| 10/14/1992 | EP0508162A1 Uniform polyvinylidene difluoride membrane and method of making |
| 10/13/1992 | WO1992018224A1 Fiber spinning process and product thereof |
| 10/13/1992 | US5155179 Having different molecular structures from selected group |
| 10/13/1992 | US5154829 Polyamide membrane with controlled surface properties |
| 10/13/1992 | US5154827 Laminated microporous fluorocarbon membrane and fluorocarbon filter cartridge using same |
| 10/13/1992 | US5154740 Membranous gas separator |
| 10/13/1992 | CA1308528C Composite membrane |
| 10/07/1992 | EP0506858A1 New filter media for use in surgical and clean room masks. |
| 10/06/1992 | US5152898 Separation of organic oxygenates |
| 10/06/1992 | US5152894 Aromatic polyamide |
| 10/06/1992 | US5152811 Meta, para-bisphenol based polymer gas separation membranes |
| 10/06/1992 | CA1308349C Agglutination immunoassay and kit for determination of a multivalent immune species using a buffered salt wash solution |
| 10/01/1992 | WO1992013628A3 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 09/29/1992 | US5151227 Process for continuous spinning of hollow-fiber membranes using a solvent mixture as a precipitation medium |
| 09/29/1992 | US5151193 Membranes for ultrafiltration |
| 09/29/1992 | US5151190 Method for separating a liquid mixture |
| 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 |
| 09/29/1992 | US5151182 A crosslinked polyether sulfone membrane on a substrate of a polymer of an unsaturated nitrile |
| 09/23/1992 | EP0504954A1 Microporous film of polyethylene and process for the production thereof |
| 09/23/1992 | EP0504904A2 A supported, mechanically stable bipolar membrane for electrodialysis |
| 09/23/1992 | EP0504686A2 Process for continuous spinning of hollow-fiber membranes using a solvent mixture as a precipitation medium |
| 09/23/1992 | EP0504228A1 Membranes for absorbent packets. |
| 09/22/1992 | US5149435 Molecular sieve arrangement and filtering method for removal of a selected constituent |
| 09/22/1992 | CA1307632C Forming membrane structure by applying protein suspension to carrier |
| 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 | WO1992015382A2 Filtration fabric laminates |
| 09/17/1992 | DE4109038A1 Prepn. of membrane with oriented mol. sieve crystals as transport component - by orienting crystals on lower condenser electrode, transferring to upper electrode, fixing, embedding in matrix etc. |
| 09/16/1992 | EP0503783A2 Extruded porous structure |
| 09/16/1992 | EP0503596A2 Process for producing composite semipermeable membrane |
| 09/16/1992 | EP0503087A1 Filtration film |
| 09/16/1992 | EP0299971B1 Electrodialysis membranes comprising sulfonated constituents |
| 09/16/1992 | EP0248037B1 Blood serum test strip |
| 09/15/1992 | US5147549 Membrane separation process |
| 09/15/1992 | US5147424 Metal porphyrin complex with polymer containing an aromatic amine, acrylate copolymer with N-vinylimidazole or vinyl pyridine |
| 09/15/1992 | US5147417 Air-intake system for mobile engines |
| 09/15/1992 | CA1307493C Woven pvc diaphragm to be used for the electrolysis of hydrochloric acid and method for producing the same |
| 09/13/1992 | CA2062638A1 Process for producing composite semipermeable membrane |
| 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 |
| 09/09/1992 | CN1018183B Highly soluble clear polyimides |
| 09/08/1992 | USRE34058 Multilayer reverse osmosis membrane of polyamide-urea |
| 09/08/1992 | US5146038 Separation through polyurea membrane |
| 09/08/1992 | US5146009 Esterification of inorganic acid with olefin, hydrolysis to obtain alcohol, permselectivity |
| 09/08/1992 | US5145940 Copolyimides, their preparation and the use thereof |
| 09/08/1992 | US5145584 Polymer anions and cations for membrane |
| 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 |
| 09/02/1992 | EP0501425A1 Chemical and temperature resistant porous membrane |
| 09/02/1992 | EP0500974A1 Process for separating hydrogen from gas mixtures using a semipermeable membrane consisting predominantly of polycarbonates derived from tetrahalobis-phenols |
| 09/02/1992 | EP0500721A1 Fluorinated poly(ether sulfones) |
| 09/01/1992 | US5143620 Improved bonding between membrane and support, hydrolyzed polyacrylonitrile |
| 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 |
| 08/29/1992 | CA2061990A1 Porous semipermeable membrane resistant to chemicals and heat |
| 08/27/1992 | DE4105834A1 Sepg. alcohol from liq. esp. from drink - by pulsed passage through perforated ceramic body opt. carrying zeolite slip |
| 08/26/1992 | EP0500185A1 A semipermeable composite membrane, a process for the manufacture thereof, as well as application of such membranes for the separation of components in an organic liquid phase or in the vapour phase |
| 08/26/1992 | EP0500173A1 Microporous film and process for the production thereof |
| 08/26/1992 | EP0499728A1 Solvent dewaxing process |
| 08/26/1992 | EP0499603A1 Phenylated polyimides prepared from 3,6-diarylpyromellitic dianhydride and aromatic diamines |
| 08/26/1992 | EP0486521A4 Blotting methods using polyaldehyde activated membranes |
| 08/25/1992 | US5141649 Novel membrane and method of separation |
| 08/25/1992 | US5141642 Separators for reverse osmosis, ultrafiltration, dehydration, heat and chemical resistance, strength, gas permeability |
| 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 |
| 08/25/1992 | CA1306826C Multilayer reverse osmosis membrane in which one layer is poly-meta-phenylene tetrahydrofuran-2,3,4,5-tetracarboxamide |
| 08/20/1992 | WO1992013637A1 Catalyst or membrane precursor systems, catalyst or membrane systems, and method of preparing such systems |
| 08/20/1992 | WO1992013631A1 An inorganic composite membrane comprising molecular sieve crystals |
| 08/20/1992 | DE4104688A1 Internally glazed metal, ceramic, etc. hollow channel body - obtd. by applying glaze to inner surface of body and burning, used as diffusion burners, catalysts, etc. |
| 08/20/1992 | CA2103585A1 Inorganic composite membrane comprising molecular sieve crystals |
| 08/19/1992 | EP0499381A1 Membranes |