| 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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| 11/16/1992 | CA2068673A1 Composite structure and method of making |
| 11/12/1992 | DE4115333A1 Porous-tube prodn. - comprises winding two offset metal or plastic layers round mandrel in spiral and gluing together |
| 11/10/1992 | US5162301 Separation of paramagnetic and diamagnetic gases |
| 11/04/1992 | EP0511900A1 Composite nanofiltration membrane |
| 11/04/1992 | EP0511719A2 System for the extraction and utilization of oxygen from fluids |
| 11/03/1992 | US5160672 Method for production of hollow fiber membrane |
| 11/03/1992 | US5160627 Crosslinking polyvinyl alcohol with divinyl sulfone, chromatography |
| 11/03/1992 | US5160619 Composite reverse osmosis membrane and production thereof |
| 11/03/1992 | US5160616 Filtering apparatus |
| 11/03/1992 | US5160353 Gas separation membrane with ultrathin layer |
| 11/03/1992 | US5160046 Membrane separation process |
| 11/03/1992 | CA1309802C Ionic semiconductor materials and applications therefor |
| 10/29/1992 | WO1992018673A1 Fabrication of fluoropolymer hollow fibers for asymmetric membranes |
| 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 | EP0510071A1 Ultrathin-film composite membrane |
| 10/28/1992 | CN2119957U Making device of reinforced mixed ester microporous filter |
| 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 | US5158636 Method for preparing a microporous film |
| 10/23/1992 | CA2065880A1 Liquid membrane modules with minimal effective membrane thickness and methods of making the same |
| 10/23/1992 | CA2065879A1 Liquid membrane modules with minimal effective membrane thickness and methods of making the same |
| 10/21/1992 | EP0509663A1 Dialysis module with a selectively transmissive polysulfonic hollow fiber membrane and method of manufacture thereof |
| 10/20/1992 | US5156888 Method and apparatus for applying polymeric coating |
| 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 |
| 10/15/1992 | 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 |
| 10/13/1992 | WO1992018609A1 Membranes with immobilized microorganisms thereon and/or therein, process for obtaining such membranes, reactor comprising said membranes and process involving the use of said membranes, in particular for the elimination of metals or the degradation of xenobiotic organic compounds |
| 10/13/1992 | WO1992018224A1 Fiber spinning process and product thereof |
| 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. |
| 10/07/1992 | EP0506701A1 Composite diaphragm, process for producing it and its use. |
| 10/06/1992 | US5152901 Highly crosslinked, chlorine-resistant, supported thin film comprising a piperazine monomer; separation of alkaline salts and alkali salts under pressure |
| 10/06/1992 | US5152898 Separation of organic oxygenates |
| 10/01/1992 | WO1992013628A3 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 09/30/1992 | EP0354916B1 Neutralization of heparin |
| 09/29/1992 | US5151227 Process for continuous spinning of hollow-fiber membranes using a solvent mixture as a precipitation medium |
| 09/29/1992 | US5151182 A crosslinked polyether sulfone membrane on a substrate of a polymer of an unsaturated nitrile |
| 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 |
| 09/22/1992 | 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 | WO1992015408A1 Specific microsieve, specific composite body |
| 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. |
| 09/17/1992 | DE4109037A1 Orienting molecules by directing mol. sieve crystals contg. adsorbed cpds. - by orienting crystals on lower condenser electrode, transferring to upper electrode and opt. fixing and embedding crystals |
| 09/16/1992 | EP0503783A2 Extruded porous structure |
| 09/16/1992 | EP0503596A2 Process for producing composite semipermeable membrane |
| 09/16/1992 | EP0503087A1 Filtration film |
| 09/15/1992 | US5147553 Separation of fluid mixture |
| 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 |
| 09/13/1992 | CA2062638A1 Process for producing composite semipermeable membrane |
| 09/12/1992 | CA2062449A1 Extruded porous structure |
| 09/08/1992 | USRE34058 Multilayer reverse osmosis membrane of polyamide-urea |
| 09/08/1992 | US5146038 Separation through polyurea membrane |
| 09/08/1992 | US5145584 Polymer anions and cations for membrane |
| 09/08/1992 | US5145583 Hemodialysis, acrylonitrile copolymer with a sulfonic monomer, hydrophobic polymer |
| 09/02/1992 | EP0501425A1 Chemical and temperature resistant porous membrane |
| 09/01/1992 | US5143763 Oxygen absorbant composition and a permeable film covering the composition |
| 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 | CA1306905C Supported membrane and process for its preparation |
| 08/29/1992 | CA2061990A1 Porous semipermeable membrane resistant to chemicals and heat |
| 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 | EP0499728A1 Solvent dewaxing process |
| 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 | CA1306826C Multilayer reverse osmosis membrane in which one layer is poly-meta-phenylene tetrahydrofuran-2,3,4,5-tetracarboxamide |
| 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. |
| 08/19/1992 | 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 | US5139677 Peryaporation across polyurea or polyamide membrane |
| 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 |
| 08/12/1992 | CN1063502A Process for treating mixture containing dewaxing oil dewaxing |
| 08/12/1992 | CN1063425A Method of producing efficient separating membrane |
| 08/11/1992 | US5137606 Forming chloroformyloxy-substituted isophthaloyl chloride; reacting hydroxy-substituted isophthalic acid, catlayst, phosgene, solvent |
| 08/05/1992 | EP0497334A1 Fixed plate casting system |
| 08/05/1992 | EP0497185A1 Process for preparing protein non-adsorptive microporous polysulfone membranes |
| 08/05/1992 | CN1063235A Preparation of hypertonic polysulfone hollow fibred ultrafiltering film |
| 08/04/1992 | US5136032 Method for separating phosphopolyol compounds using a separating agent |
| 08/04/1992 | US5135547 Facilitated liquid membranes for olefin/paraffin gas separations and related process |
| 07/31/1992 | WO1992013628A2 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 07/31/1992 | CA2078448A1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 07/31/1992 | CA2060258A1 Fixed plate casting system |
| 07/29/1992 | EP0496496A1 Membrane dehydration process |
| 07/29/1992 | EP0496328A1 Membrane for a filtration, gas or liquid separation or pervaporation apparatus and method for manufacturing same |
| 07/29/1992 | CA2057092A1 Process for preparing protein non-adsorptive microporous polysulfone membranes |
| 07/28/1992 | US5133864 Ion exchanger, ethylene-acrylic acid copolymer |