| 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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| 09/24/1998 | WO1998041314A1 Container |
| 09/24/1998 | WO1998041313A1 Membranes comprising aminoacid salts in polyamine polymers and blends |
| 09/24/1998 | WO1998041312A1 Dialysis membranes and process for their production |
| 09/24/1998 | WO1998041308A1 Membranes comprising aminoalcohols in hydrophilic polymers |
| 09/24/1998 | CA2283837A1 Dialysis membranes and process for their production |
| 09/24/1998 | CA2283407A1 Membranes comprising aminoalcohols in hydrophilic polymers |
| 09/24/1998 | CA2282436A1 Multi-layer membrane composites and their use in hydrocarbon partial oxidation |
| 09/23/1998 | EP0866030A1 Method for operation of membrane reactor, and membrane reactor used therein |
| 09/23/1998 | EP0865309A1 Composite nanofiltration membrane |
| 09/23/1998 | EP0681509B1 Activated carbons molecularly engineered |
| 09/23/1998 | EP0658127B1 t-BUTYL SUBSTITUTED POLYIMIDE, POLYAMIDE AND POLYAMIDE-IMIDE GAS SEPARATION MEMBRANES |
| 09/23/1998 | CN1193619A Improved process and system for separation and recovery of perfluorocompound gases |
| 09/22/1998 | US5811224 Transporting used developer through ultrafiltration cartridges generating a clear permeate and a remainder |
| 09/22/1998 | US5811196 Laminated first and second asymmetric membranes having different molecular structures, at least one having homogeneous skin layer of specified thickness |
| 09/22/1998 | US5810912 Composite hollow filamentary film of porous ceramics and process for producing the same |
| 09/16/1998 | EP0863792A1 Filtration unit which can be tested for integrity and has hydrophilic porous membranes |
| 09/16/1998 | EP0863791A1 Water removal device |
| 09/15/1998 | US5807494 Thermal insulation |
| 09/11/1998 | WO1998039379A1 Microporous membrane and process for preparing the same |
| 09/11/1998 | WO1998039084A1 Method for making a composite filter |
| 09/09/1998 | CN1039678C Prepn. method and application of reverse osmosis film |
| 09/08/1998 | US5804280 Porous filter medium includes polyamide, fluoropolymer, polyethersulfone, polysulfone, acrylic polymer, polyester or cellulose ester; adhesive free bonding |
| 09/04/1998 | CA2231077A1 Polymeric material and process for production thereof |
| 09/03/1998 | WO1998038029A1 A thermoplastic fluororesin porous body, a method for the production thereof and use of said porous body for producing a battery cell |
| 09/02/1998 | EP0619757B1 Catalytic filtration device and method |
| 09/02/1998 | CN1191771A Molecular sieve layers and processes for their manufacture |
| 09/02/1998 | CN1191767A Hollow fiber fluid separator with transverse flow channels |
| 08/26/1998 | EP0860199A2 Method of producing a membrane |
| 08/26/1998 | EP0859547A1 Virus inactivating coatings |
| 08/26/1998 | EP0695213B1 Polyimide membrane for separation of solvents from lube oil |
| 08/26/1998 | CN1191471A Membranes of polyurethane based on materials including polyester polyols |
| 08/25/1998 | US5798042 Microfabricated filter with specially constructed channel walls, and containment well and capsule constructed with such filters |
| 08/25/1998 | CA2104955C Biaxially oriented film of high molecular weight polyethylene, process for preparing the same, surface-modified biaxially oriented film of high molecular weight polyethylene and process for preparing the same |
| 08/20/1998 | WO1998036058A1 Enzymatically catalysed process |
| 08/19/1998 | EP0858969A1 Amphiphilic block copolymers in lyotropic liquid crystal phase as a temlate for the preparation of mesoporous solids |
| 08/19/1998 | EP0858827A1 Membrane element |
| 08/19/1998 | EP0701676B1 Atmosphere membrane humidifier and method and system for producing humidified air |
| 08/19/1998 | EP0637323B1 Copolymers and non-porous, semi-permeable membrane thereof and its use for permeating molecules of predetermined molecular weight range |
| 08/18/1998 | US5795920 Polysulfone, polyethersulfone, polyimide oa polyetherimide for forming membranes and fibers |
| 08/13/1998 | WO1998034719A1 Hollow fiber membrane and method of manufacturing same |
| 08/12/1998 | EP0766589B1 High-efficiency metal membrane getter element and process for making |
| 08/12/1998 | CN1190355A Microfiltration membrane having high pore density and mixed isotropic and anisotropic structure |
| 08/05/1998 | EP0856352A1 Polysulfone membrane for purifying blood |
| 08/05/1998 | EP0855932A1 Tubular membrane, method for manufacturing same, and membrane separation process |
| 08/04/1998 | US5789081 Polyvinyl alcohol-based hollow fiber membrane and process for producing the same |
| 08/04/1998 | US5789024 Subnanoscale composite, N2-permselective membrane for the separation of volatile organic compounds |
| 08/04/1998 | US5788862 Filtration medium |
| 08/04/1998 | US5788748 Perovskite structure |
| 07/30/1998 | WO1998032521A1 Recovery of perfluorinated compounds and hydrofluorocarbon gases using molecular sieve membranes |
| 07/30/1998 | CA2275960A1 Recovery of perfluorinated compounds and hydrofluorocarbon gases using molecular sieve membranes |
| 07/28/1998 | US5786396 Method of producing microporous polyolefin membrane |
| 07/28/1998 | US5785741 Includes at least one glassy polymer membrane separation unit having a feed side and a permeate side |
| 07/23/1998 | WO1998031451A1 Filter medium and air filter unit using the same |
| 07/22/1998 | EP0854111A2 Apparatus for recovering, refining, and storing hydrogen gas |
| 07/22/1998 | EP0853970A2 An improved process and system for separation and recovery of perfluorocompound gases |
| 07/22/1998 | EP0695216B1 Layers containing crystalline molecular sieves and processes for their manufacture |
| 07/21/1998 | US5783502 Virus inactivating coatings |
| 07/21/1998 | US5783124 Spinning dope of cellulose diacetate and triacetate to formhollow fibers; coagulation; high pressure steam sterilization |
| 07/21/1998 | US5783094 Separation of leukocytes from platelets, filter coated with hydroxyalkyl cellulose or other polysaccharide |
| 07/21/1998 | US5783054 Contacting electrode with linker lipid for use in attaching membrane containing ionophore to electrode |
| 07/21/1998 | US5782960 Membrane comprising hydrogen-permeable member, reinforcing member laminate |
| 07/21/1998 | US5782959 Process for preparing a composite inorganic membrane for hydrogen separation |
| 07/16/1998 | WO1998030905A1 Means for the biological purification of a biological fluid |
| 07/16/1998 | WO1998030624A1 Porous moulded bodies of thermoplastic polymers |
| 07/16/1998 | WO1998030571A1 Electrokinetic sample preparation |
| 07/16/1998 | WO1998030318A2 Compounds for producing nanoporous polymers, nanocomposite and membranes thereof |
| 07/16/1998 | WO1998030315A1 Micro and ultrafilters with controlled pore sizes and pore size distribution and method for making |
| 07/16/1998 | DE19700760A1 Poröse gesinterte Formkörper aus thermoplastischen Polymeren Sintered porous moldings of thermoplastic polymers |
| 07/15/1998 | CN1187781A Gas passage with selectively acting penetration surface and process for producing penetration surface |
| 07/14/1998 | US5779904 Synthesis of inorganic membranes on supports |
| 07/09/1998 | WO1998029478A1 Melt-spun polysulfone semipermeable membranes and methods for making the same |
| 07/09/1998 | DE19700364A1 Elektrokinetische Probenvorbereitung Electrokinetic Sample Preparation |
| 07/09/1998 | CA2272364A1 Melt-spun polysulfone semipermeable membranes and methods for making the same |
| 07/08/1998 | EP0851877A1 Method for concentrating aqueous tetrafluoroethylene emulsion by electrodialysis and its apparatus |
| 07/08/1998 | EP0851845A1 THIN SiO 2 FILMS, A PROCESS FOR PRODUCING THEM AND THEIR USE |
| 07/08/1998 | EP0812234A4 Membrane process for treatment of chlorine-containing gases |
| 07/08/1998 | EP0729380B1 Hydrophilic compositions with increased thermal resistance |
| 07/08/1998 | EP0587588B1 Fluid treated polytetrafluoroethylene products and their manufacture |
| 07/08/1998 | CN1039023C Polycarbonate film |
| 07/07/1998 | US5776842 Cellulosic web with a contaminant barrier or trap |
| 07/07/1998 | US5776343 Fluoroplastic apertured film fabric, structures employing same and method of making same |
| 07/07/1998 | US5776324 Electrochemical biosensors |
| 07/01/1998 | EP0850681A1 Ceramic porous membrane, ceramic filter using the same, and method of manufacturing the same |
| 07/01/1998 | EP0850680A1 Ceramic porous membrane, ceramic porous body and method of manufacturing the membrane |
| 07/01/1998 | EP0850679A2 Solid electrolyte membrane with mechanically-enhancing constituent and porous catalytically enhancing constituents |
| 07/01/1998 | EP0850265A1 Strong, air permeable membranes of polytetrafluoroethylene |
| 07/01/1998 | EP0637997B1 Analysis based on flow restriction |
| 06/30/1998 | US5773480 Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom |
| 06/30/1998 | US5773103 Filter media |
| 06/30/1998 | US5773098 Covalently bonding to a microporous polytetrafluoroethylene film by exposing to perfluorocyclohexane under plasma |
| 06/30/1998 | US5772884 Air filters; semiconductor industry; stretching biaxially unsintered polymer at specific temperatures |
| 06/30/1998 | US5772735 Supported inorganic membranes |
| 06/25/1998 | WO1998026860A1 Filter medium and air filter unit using the same |
| 06/24/1998 | EP0848702A1 Substituted trifluorostyrene compositions |
| 06/24/1998 | EP0795052B1 Method of producing shaped cellulose bodies, and yarn made of cellulose filaments |
| 06/24/1998 | CN1185349A 净化水装置 Water purification unit |
| 06/23/1998 | US5770275 Molecular sieving silica membrane fabrication process |
| 06/23/1998 | US5770121 Quick-freezing dissolved polymer film to below solvent melting point, desolventizing, drying |
| 06/23/1998 | US5770076 Micromachined capsules having porous membranes and bulk supports |
| 06/18/1998 | WO1998025758A1 Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters |