Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
07/2001
07/25/2001EP1118377A2 Large pore synthetic polymer membranes
07/25/2001EP1118371A1 Gas separation membrane and its use
07/25/2001EP0782440B1 Injection-molded dosage form
07/25/2001CN1304779A Semi-conductor manufacturing system
07/24/2001US6264936 Cationic polymer
07/24/2001US6264811 Ion conducting ceramic membrane and surface treatment
07/24/2001US6264044 Reinforced, three zone microporous membrane
07/24/2001CA2202969C Selectively permeable hollow fiber membrane and process for producing same
07/24/2001CA2144026C Process for the production of hollow carbon fiber membrane
07/19/2001WO2001051177A1 Filter for gas analysis
07/19/2001WO2001051171A1 High crystalline polypropylene microporous membrane, multi-component microporous membrane and methods for preparing the same
07/19/2001WO2001051163A1 Chromatographic and electrophoretic separation of chemicals using electrically conductive polymers
07/18/2001EP1116292A2 Composite solid polymer electrolyte membranes
07/18/2001EP1115769A1 Novel ion-conducting materials suitable for use in electrochemical applications and methods related thereto
07/18/2001EP1115475A1 Symplex membrane
07/18/2001EP0690743B1 Gas plasma polymerized permselective membrane
07/18/2001CN1304381A Composite materials for membrane reactors
07/18/2001CN1304329A High performance composite membrane
07/18/2001CN1303730A Porous material membrane of molecular sieve and its preparation method
07/18/2001CN1303729A Porous ceramic tube membrane of carried molecular sieve and its preparation method
07/17/2001US6261979 Porous polytetrafluoroethylene membrane
07/17/2001US6261510 Method for producing hollow fibrous membranes for microfiltration, ultrafiltration or gas separation
07/17/2001US6261497 Polytetrafluoroethylene resin chromatography membrane, heating, calendering and sintering
07/17/2001US6261457 Soaking used filter media comprising polysulfone in peracetic acid solution for period of time, at least about 18 hours, sufficient to clean filter media so it can be reused for at least about 30% of original period of use
07/17/2001US6260715 Dihydrazide functionalized module; biocompatibility; blood dialysis
07/17/2001CA2103742C Novel solid poly-amphiphilic polymer having use in a separation process
07/12/2001WO2001049440A1 Thin porous layer with open porosity and a method for production thereof
07/12/2001WO2001012312A3 Chemical reactor and method for catalytic gas phase reactions
07/12/2001DE19963698A1 Dünne poröse Schicht mit offener Porosität und Verfahren zu ihrer Herstellung Thin porous layer with open porosity and process for their preparation
07/11/2001EP1113859A1 Fluid treatment elements, methods for cleaning fluid treatment elements and methods for treating fluids
07/11/2001CN1303313A Filtration and extraction device and method of using same
07/11/2001CN1303135A Polymer electrolyte film for lithium battery
07/10/2001US6258991 Zeolite type ltl containing gallium oxide
07/10/2001US6258861 α,β,β-trifluorostyrene-based composite membranes
07/10/2001US6258276 Using charged membrane comprising porous substrate and crosslinked polyelectrolyte or hydrogel which preferentially rejects multivalent ions over monovalent ions and suitable for operation at ultra-low pressure for membrane separation for
07/10/2001US6258272 Internal hydrophilic membranes from blended anionic copolymers
07/10/2001US6258271 Hollow membranes with capillary tubes
07/10/2001CA2186316C Hydrophilically modified pulverulent high and/or ultra-high molecular weight polyethylene
07/05/2001US20010006160 A hydrophilically acting shaped object with porous structure forms a flat, tubular or hollow fiber membrane for pyrogen retention, comprising a synthetic polymer component and an additive of copolymer of vinylpyrrolidone and vinylimidazole
07/05/2001DE10044406A1 Wasserstoff-Separator und Verfahren zu seiner Herstellung Hydrogen separator and process for its preparation
07/04/2001EP1112326A1 Blend membranes based on sulfonated poly(phenylene oxide) for enhanced polymer electrochemical cells
07/04/2001EP1112301A1 Ion-exchange polymers
07/04/2001EP1112116A1 Oxygen enriched air supply apparatus
07/04/2001EP0984826B1 Autothermic reactor comprising oxygen ion conducting dense ceramic membrane and process using the autothermic reactor for producing synthesis gas
07/04/2001EP0828553B1 Synthetic separation diaphragm
07/04/2001CN1302223A Organic ion-selective membranes
07/04/2001CN1301588A Method for producing polyamide reverse osmosis composite film
07/04/2001CN1301587A Method for producing polyamide reverse osmosis composite film
07/04/2001CN1301586A Polyamide reverse osmosis composite film and its producing method
07/04/2001CN1067907C Filtration monitoring and control system
07/03/2001US6254666 Such as those present in the effluent of a semiconductor manufacturing process, particularly the etching and cleaning steps.
06/2001
06/28/2001US20010004976 Drying the semipermeable membrane and saturating the dried semipermeable membrane with water ratio of not smaller than 100% based on the dry weight of the membrane, providing an inert gas, irradiating the membrane with gamma-ray
06/28/2001DE10007794A1 Composition useful for making containers, films, membranes and fibers, comprises a biodegradable polymer and a marine plant or shell material
06/27/2001EP1110596A1 Shaped body for the retention of pyrogenes, process for its manufacture and use thereof
06/27/2001EP1110594A1 Mixed conducting ceramic membrane, process for its preparation and its use
06/27/2001EP1110563A2 Dialyzers for blood treatment and processes for production thereof
06/27/2001EP0969962A4 Multi-layer membrane composites and their use in hydrocarbon partial oxidation
06/27/2001CN1301191A Crosslinked ion conductive membranes
06/27/2001CN1300629A Blood dialyser and manufacture thereof
06/27/2001CN1067600C High-efficiency metal membrane getter elements and process for making them
06/26/2001US6252123 Membrane separation process for metal complex catalysts
06/26/2001US6252038 Using permselective membrane
06/26/2001US6251533 Perovskite material; electroconductivity
06/26/2001US6251276 Leukocyte eliminating filter and method for manufacturing the same
06/21/2001WO2001044521A1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds
06/21/2001WO2001044350A1 Latices from emulsified hydrocarbon rubber solutions by membrane separation
06/20/2001EP1108239A1 Communication management system for computer network-based telephones
06/19/2001US6248469 Liquid crystal and sulfonated, phosphonated, perfluorinated and/or carboxylated ion-conducting polymers
06/19/2001US6248153 Membrane is a diffusional gas transfer medium having a multiplicity of tortuous pathways extending from the first surface of the membrane to the second surface of the membrane.
06/14/2001WO2001041924A2 Oxidative reactions using membranes that selectively conduct oxygen
06/14/2001WO2001041905A1 Microporous filter membrane, method of making microporous filter membrane and separator employing microporous filter membranes
06/14/2001WO2001041607A1 Drinking element
06/14/2001WO2001010784A3 Wasser still with pervaporation membrane and method of operation thereof
06/14/2001US20010003232 Comprises dense ceramic membrane comprising a crystalline mixed metal oxide, porous support comprising an alloy of at least two metallic elements, interfacial zone between; for production of synthesis gas
06/14/2001CA2393774A1 Drinking element
06/14/2001CA2361930A1 Microporous filter membrane, method of making microporous filter membrane and separator employing microporous filter membranes
06/13/2001EP1106998A2 Improved sensor membranes
06/13/2001EP1105436A1 Puncture-resistant polyolefin membranes
06/13/2001EP1105433A1 Modification of engineering-polymers with basic n groups and ion-exchange groups in the side chain
06/13/2001EP1105206A1 Filter element
06/13/2001EP0782720B1 Process and apparatus for rejuvenating developer in printing plate development
06/13/2001DE19959873A1 Oxidationsreaktionen unter Verwendung von gemischtleitenden sauerstoffselektiven Membranen Oxidation reactions using oxygen-selective mixed conducting membranes
06/12/2001US6245272 Polyolefin microporous film and method for preparing the same
06/12/2001US6245234 Composite polyamide reverse osmosis membrane and method of producing the same
06/07/2001US20010003123 Melt-spun polysulfone semipermeable membranes and methods for making the same
06/07/2001US20010002990 Materials and methods for the separation of oxygen from air
06/06/2001EP1104883A2 Improved sensor membranes
06/06/2001CN1298319A Process gas purification and fuel cell system
05/2001
05/30/2001EP1102734A1 Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes
05/30/2001EP1059979A4 Micromachined membrane particle filter using parylene reinforcement
05/30/2001EP0851845B1 THIN SiO 2 FILMS, A PROCESS FOR PRODUCING THEM AND THEIR USE
05/30/2001CN1297475A Membrane filtration
05/30/2001CN1297467A Engineering ionomeric blends and engineering ionomeric blend membranes
05/30/2001CN1297463A Acid-base polymer blends and use in membrane processes
05/29/2001US6238465 Alloying together thin palladium film and palladium-enhancing metal film under heat and pressure in the presence of a reducing agent to form membrane which is permselective to hydrogen
05/29/2001CA2025520C Microporous polyolefin membrane and method of producing same
05/25/2001WO2001036321A1 Apparatus and method for forming a membrane with nanometer scale pores
05/25/2001WO2001036077A1 Device forming fuel gas for fuel cell and composite material for hydrogen separation
05/25/2001WO2001036076A1 Method and product for cleaning hollow fiber material and filter
05/25/2001WO2001036072A1 Blood treating membrane, blood treating container and process for producing the same