| 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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| 11/20/2008 | WO2008139229A2 Pores |
| 11/20/2008 | WO2008138078A1 Cross-linked polyimide membranes |
| 11/20/2008 | WO2008118584A3 Liquid-phase and vapor-phase dehydration of organic/water solutions |
| 11/20/2008 | DE102004023410B4 Membran für die Blutdetoxifikation, Verfahren zu deren Herstellung sowie deren Verwendung Membrane for Blutdetoxifikation, processes for their preparation and their use |
| 11/20/2008 | DE10123410B4 Wasserstoffgenerator Hydrogen generator |
| 11/20/2008 | CA2687382A1 Cross-linked polyimide membranes |
| 11/19/2008 | EP1992401A1 Hydrogen-permeable separation thin membranes |
| 11/19/2008 | EP1991341A2 Membrane and process for recovery of acid |
| 11/19/2008 | CN101306331A Homogeneous phase anion-exchange membrane and preparation method thereof |
| 11/19/2008 | CN101306330A Production method of mixed conductor oxygen permeable membrane and oxygen/carbon monoxide mixed gas |
| 11/19/2008 | CN101306329A Preparation method of polyurethane hollow fiber filter membrane |
| 11/19/2008 | CN100435401C Proton-conducting polymer membrane comprising sulfonic acid-containing polyazoles, and use thereof in fuel cells |
| 11/19/2008 | CN100434150C Filter element and production method thereof |
| 11/18/2008 | US7452487 Phosphorus-acid-group-containing (meth) acrylamide, its polymer and use thereof, and their production methods |
| 11/13/2008 | WO2008136854A2 Monolithic electrokinetic pump fabrication |
| 11/13/2008 | US20080280182 Polymer membrane, method for the production and use thereof |
| 11/13/2008 | US20080277632 Method of Preparing a Thin Ceramic Composition with Two Materials, the Composition thus Obtained and the Constituent Electrochemical Cell and Membrane |
| 11/13/2008 | US20080277342 Modified with aryl residues terminally-linked to the insoluble branched polyamide matrix through sulfonamide bonds; separations in extreme high pH applications, at high temperatures, stable performance over time; commercial scale |
| 11/13/2008 | US20080277334 Process for Producing Semipermeable Composite Membrane |
| 11/13/2008 | US20080277333 Chlorine resistant polyamides and membranes made from the same |
| 11/12/2008 | EP1740291B1 Membrane for separating co2 and process for the production thereof |
| 11/12/2008 | EP1200178B1 Composite membrane with polyalkylene oxide modified polyamide surface |
| 11/12/2008 | CN101304812A Method of forming ion transport membrane structure |
| 11/12/2008 | CN101304779A Apparatus |
| 11/12/2008 | CN101301593A Preparation of thermosensitive paper-based membrane |
| 11/12/2008 | CN101301592A Preparation of polyimides/titanic oxide compound sub-micron fiber film |
| 11/12/2008 | CN101301591A Hydrophilic modification method of polytetrafluorethylene separation membrane surface |
| 11/12/2008 | CN101301590A Sugar-containing polymer compound film with blocked pore and preparation thereof |
| 11/12/2008 | CN101301589A Composite DDR type zeolite film, and method for preparation thereof |
| 11/12/2008 | CN101301588A Preparation of hollow fiber ventilated membrane for oil-gas automatic separation |
| 11/12/2008 | CN101301586A Ceramic membrane with improved adhesion to plasma-treated polymeric support material and the manufacture and usage thereof |
| 11/12/2008 | CN101301583A 仿生膜 Biomimetic membrane |
| 11/12/2008 | CN100432121C Asymmetric polymer film, method for the production and the utilization thereof |
| 11/12/2008 | CN100431678C Surface hydrophilicity modification process for separating fluoric polymer film |
| 11/12/2008 | CN100431677C Process for producing Al2O3-SiO2-ZrO2 compound ceramic separation film using microwave heating process |
| 11/11/2008 | US7449112 Crosslinked polyvinyl alcohol-based polymer membrane and a process of its preparation |
| 11/11/2008 | US7449110 Filter and filter module |
| 11/11/2008 | US7449052 Composite structures of membranes that are selectively permeable to hydrogen and combustible gas processors using same |
| 11/06/2008 | WO2008133875A1 Porous composite article |
| 11/06/2008 | WO2008133718A2 A gas separation membrane system and method of making thereof using nanoscale metal material |
| 11/06/2008 | US20080275146 sulfonated polyimides formed into membranes that may be used in proton exchange membrane fuel cells or as ion exchange membranes, having heat resistance, enhanced electroconductivity and reduced water uptake |
| 11/06/2008 | DE4407328B4 Elektrochemischer Sensor für toxische Gase Electrochemical sensor for toxic gases |
| 11/06/2008 | DE102006044635B4 Gastrenn-Membran Gas separation membrane |
| 11/06/2008 | DE10106722B4 Spezielles Hohlfaser-Membranmodul für den Einsatz in stark durch fouling beeinträchtigten Prozessen und seine Herstellung Special hollow fiber membrane module for use in heavily affected by fouling processes and its preparation |
| 11/06/2008 | CA2684740A1 Porous composite article |
| 11/06/2008 | CA2668930A1 A gas separation membrane system and method of making thereof using nanoscale metal material |
| 11/05/2008 | EP1988058A2 Mesoporous silica mesoporous silica composite material, and processes for production thereof |
| 11/05/2008 | EP1987874A1 Process for producing zeolite separation membrane |
| 11/05/2008 | EP1987081A1 Oligomeric and polymeric aromatic phosphonic acids, their blends, processes for preparing them and uses as polyelectrolytes |
| 11/05/2008 | EP1986769A1 Catalytic process for the phosphonylation of high-temperature polymers |
| 11/05/2008 | CN101298026A Preparation of antibacterial nano filter membrane |
| 11/05/2008 | CN100430118C Method for persistent hydrophilic modification of polypropylene porous membrane surface |
| 11/05/2008 | CN100430117C Process for preparing polyacrylic acid-Kynoar polyblend separation film and polyblend resin |
| 11/04/2008 | US7445712 Asymmetric forward osmosis membranes |
| 11/04/2008 | CA2502577C Hydrophilic microporous membrane |
| 10/30/2008 | WO2008129213A1 Method for preparing an amphiphilic two-block or three-block copolymer having a hydrophilic block and one or two hydrophobic blocks, method for preparing an organic mesoporous material using this copolymer, and material thus prepared |
| 10/30/2008 | WO2008129041A1 Vinylidene fluoride copolymers |
| 10/30/2008 | WO2008128760A1 Composite material |
| 10/30/2008 | WO2008128471A1 Biphase separating membrane, its preparing method and method for treating high concentration ammonia nitrogen waste water using the biphase separating membrane |
| 10/30/2008 | US20080269417 Improving antifouling properties and increasing the selectivity of commercial composite polyamide nanofiltration and reverse osmosis membranes by circulating water soluble monomer(s) and redox catalyst pair in aqueous solvent, without transverse pressure, over the membrane to effect graft polymerization |
| 10/30/2008 | US20080264793 Hydrolytically Stable Isoelectric Hydrogel Compositions |
| 10/29/2008 | EP1985598A1 Process for producing ceramic porous membrane |
| 10/29/2008 | EP1985355A1 Composite material |
| 10/29/2008 | EP1984101A1 Purification method for effluent |
| 10/29/2008 | EP1984100A1 Purification method for effluent |
| 10/29/2008 | EP1773913B1 Polysulfone-polyether blockcopolymers, process to synthesize it, membranes made therefrom |
| 10/29/2008 | EP1144100B1 Membranes made of sulphonated polyether ketone and polybenzimidazole, and their use |
| 10/29/2008 | CN101297429A Hydrogen separation membrane with a carrier, fuel cell and hydrogen separation apparatus having same, and method of manufacturing same |
| 10/29/2008 | CN101296743A Membranes for nanometer-scale mass fast transport |
| 10/29/2008 | CN101293185A Method for producing polyvinylidene fluoride porous membrane |
| 10/29/2008 | CN101293184A Process for manufacturing large-flux anti-pollution PVDF hollow fiber external pressure film |
| 10/29/2008 | CN101293183A Method for preparing hydrophilic polyvinyl chloride alloy ultrafiltration membrane |
| 10/29/2008 | CN101293182A Nano-stephanoporate silicon dioxide-poly-m-phenylenediamine compound film for removing hydrargyrum and preparation method thereof |
| 10/29/2008 | CN101293181A Metal base-metallic oxide separation film and preparation method thereof |
| 10/29/2008 | CN101293180A Composite membrane for separation of carbon dioxide |
| 10/29/2008 | CN100429150C Method and apparatus for manufacturing zeolite membrane, and zeolite tubular separation membrane provided by the method |
| 10/29/2008 | CN100428984C Composite separating membrane of Si-doped TiO2 nanotube and its preparing method and application |
| 10/28/2008 | US7442367 Producing reduced pressure loss and maintenance, bendable membranes without cracking; heating tetrapropylammonium hydroxide, tetrapropylammonium bromide and silica sol solution without crystallization and/or precipitation; subjecting dried gel to steam crystallization treatment |
| 10/28/2008 | US7442344 Ceramic member with oxygen ion conductivity and use thereof |
| 10/28/2008 | US7442303 Microporous filter membrane, method of making microporous filter membrane and separator employing microporous filter membranes |
| 10/28/2008 | US7442302 For use in therapy of chronic renal failure; hydrophobic polymer hollow fiber membranes each of which contains a hydrophilic polymer, characterized in that the amount of the hydrophilic polymer eluted from the hollow fiber membrane is 10 ppm or less |
| 10/28/2008 | US7441667 casting substrate is provided for use in a composite membrane for use as a fluid filtration medium. The composite membrane has good adhesion between the casting substrate and the microporous membrane while maintaining high permeability. The casting substrate comprises a single spunbond layer |
| 10/28/2008 | US7441666 Process for producing an asymmetric porous film |
| 10/23/2008 | WO2008127734A2 Lysine-specific demethylase inhibitors |
| 10/23/2008 | WO2008127024A1 Membrane module for treating water |
| 10/23/2008 | US20080257818 Semipermeable Composite Membrane and Process for Producing the Same |
| 10/23/2008 | US20080257146 Method of suppressing coke in endothermic fuel processing |
| 10/23/2008 | DE102007018280A1 Polymer electrolyte membrane manufacturing method for fuel cell, involves impregnating polymer membrane with liquid or solved electrolytes, where polymer membrane is supported between carrier foils that lie at both sides of polymer membrane |
| 10/23/2008 | CA2669868A1 A gas separation membrane comprising a substrate with a layer of coated inorganic oxide particles and an overlayer of a gas-selective material, and its manufacture and use |
| 10/22/2008 | EP1982955A2 Method for producing hydrogen gas separation material |
| 10/22/2008 | EP1982755A1 Centrifugal filtration device |
| 10/22/2008 | EP1519871B8 Gas valve |
| 10/22/2008 | CN201135857Y Improved diatom fine earth membrane type super-filter |
| 10/22/2008 | CN101291976A Membranes and methods useful for caustic applications |
| 10/22/2008 | CN101290996A Fiber reinforced inorganic doped proton exchange film containing fluorine |
| 10/22/2008 | CN101288832A Organic inorganic hybridization cation exchange membrane filled with nano granules and preparation method thereof |
| 10/22/2008 | CN101288831A Forming method and device of hollow fiber blood filtering membrane |
| 10/22/2008 | CN101288830A Preparation method of chitose-aminosilane-anodised aluminum compound film with affinity |
| 10/22/2008 | CN101288829A 1,1-difluoroethene resin porous hollow filament and production method thereof |
| 10/22/2008 | CN100427191C Production of hollow fibrous air single external skin separating film with polyether sulphone |