| Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858) |
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| 02/24/1993 | EP0527980A1 Specific microsieve, specific composite body. |
| 02/24/1993 | EP0527913A1 Polyvinylidene fluoride membrane. |
| 02/24/1993 | EP0342239B1 Porous membrane and process for its production |
| 02/23/1993 | US5188734 Ultraporous and microporous integral membranes |
| 02/23/1993 | CA1313735C Method of casting a porous membrane of polymeric material |
| 02/20/1993 | CA2071559A1 Durable filtration membrane having optimized molecular weight |
| 02/18/1993 | WO1993002858A1 Sixeftm-durene polyimide hollow fibers |
| 02/18/1993 | WO1993002781A1 Portable water purification system |
| 02/18/1993 | WO1993002767A1 High selectivity hollow fibers |
| 02/16/1993 | US5187010 Microporous hollow fibers of polysulfone having polyacrylic acid immobilized on surface by interpenetrating polymeric network |
| 02/16/1993 | US5186835 Porous hydrophilic polypropylene membrane, method for production thereof, and blood plasma separation apparatus |
| 02/11/1993 | DE4226205A1 Porous polyolefin sepg. membrane prepn. - by forming polyolefin film in diluent, cooling, extracting diluent, and evapn. of extracting-solvent |
| 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 | 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 |
| 02/02/1993 | 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 |
| 01/27/1993 | EP0524592A1 Filtration membrane and process for the preparation thereof |
| 01/27/1993 | EP0303684B1 Methods of making biocompatible nucleophilic material |
| 01/26/1993 | US5182022 Dewatering of concentrated aqueous solutions by pervaporation |
| 01/26/1993 | CA2074577A1 Filtration membrane and process for making such membrane |
| 01/20/1993 | EP0523457A1 Method for making nylon membrane transparent |
| 01/20/1993 | EP0523331A1 Process for the manufacture of a filter material |
| 01/20/1993 | EP0513131A4 Laminated microporous fluorocarbon membrane and fluorocarbon filter cartridge using same |
| 01/20/1993 | EP0354959B1 Membrane type artificial lung and production thereof |
| 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 | 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 | CA1312508C Membranes with low protein adsorbability |
| 01/12/1993 | CA1312431C Process for preparing microporous polyethylene film |
| 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 |
| 01/12/1993 | CA1312428C Acid gas scrubbing by composite solvent-swollen membranes |
| 01/07/1993 | WO1993000394A1 Applying a fluoropolymer film to a body |
| 01/07/1993 | EP0521726A1 A water-evaporation conduit for a humidifier |
| 01/05/1993 | US5176833 Filters employing particulate porous polymers |
| 12/30/1992 | EP0467903B1 Process for the preparation of chlorine-resistant polyester semipermeable membranes |
| 12/29/1992 | CA1312096C Process for the recovery of alcohols using an organic acid-modified polymer membrane |
| 12/29/1992 | CA1311885C Multi-layer laminates of microporous films |
| 12/23/1992 | WO1992022376A1 Membranes having enhanced selectivity and method of producing such membranes |
| 12/22/1992 | US5173415 Process for removal of viruses from solutions of physiologically active substances |
| 12/22/1992 | US5173235 Stretching at strain rate at temperature lower than melting point of polyolefin |
| 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 |
| 12/15/1992 | 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 | US5171493 Process for extruding semi-permeable membrane having separate hollow passageways |
| 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 | US5171264 Immobilized polyethylene oxide star molecules for bioapplications |
| 12/15/1992 | EP0527913A4 Polyvinylidene fluoride membrane. |
| 12/13/1992 | CA2070454A1 Membranes having enhanced selectivity and method of producing such membranes |
| 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 |
| 12/03/1992 | 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 | EP0516094A1 Porous film, method for manufacturing the same, gas permeability control film, and water vapor permeability control film |
| 11/25/1992 | EP0462967B1 Chlorine-resistant semipermeable membranes |
| 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 | EP0513389A1 Liquid-filtering film and filtering device using said film |
| 11/19/1992 | EP0513131A1 Laminated microporous fluorocarbon membrane and fluorocarbon filter cartridge using same |
| 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 | 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 |
| 11/11/1992 | WO1992020728A1 Method for producing an ionomer |
| 11/11/1992 | EP0512527A1 Modified cellulose polymer, blood processor and process for producing same |
| 11/11/1992 | CA2102510A1 Method for producing an ionomer |
| 11/10/1992 | US5162102 Medical instrument and production thereof |
| 11/04/1992 | EP0511289A1 Method and apparatus for treating filter membranes. |
| 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 | US5160626 Gel electrophoresis, sample transferring, identification of macromolecules |
| 11/03/1992 | US5160353 Gas separation membrane with ultrathin layer |
| 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 | WO1992015633A3 Improved management of waste solution containing photoresist materials |
| 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 | 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 | 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 |
| 10/27/1992 | CA1309374C Porous anodic aluminium oxide films |
| 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 |
| 10/20/1992 | US5156780 Polymerizing fluoroacrylate monomer in situ to form coating |
| 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 |
| 10/14/1992 | EP0508162A1 Uniform polyvinylidene difluoride membrane and method of making |
| 10/13/1992 | US5154829 Polyamide membrane with controlled surface properties |