| 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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| 01/29/2009 | US20090026128 High Performance Shaped Articles, Methods Of Making, And Uses Thereof |
| 01/29/2009 | CA2694273A1 Hydrophilic membrane |
| 01/28/2009 | CN101352659A Polypiperazine-amide nanofiltration membrane and preparation method thereof |
| 01/28/2009 | CN101352658A Method for preparing high-throughput polytetrafluorethylene microporous film |
| 01/28/2009 | CN101352657A Homogeneous phase cation exchange film and preparation method thereof |
| 01/28/2009 | CN101352656A Preparation technique of tube type filter membrance |
| 01/28/2009 | CN100455343C Titanium dioxide granule modified aromatic polyamide separation film and its prepn. method |
| 01/28/2009 | CN100455342C Hydrophilicity polyethylene hollow fiber micro-hole film and the preparation method |
| 01/28/2009 | CN100455341C Hydrogen permeation alloy and a method of manufacturing the same |
| 01/27/2009 | CA2373083C Porous hollow fiber membrane having chelate formability and method for recovery of germanium oxide using the porous hollow fiber membrane |
| 01/27/2009 | CA2319736C Water purification apparatus |
| 01/22/2009 | DE10011104B4 Verwendung einer Amorphen Ni-Legierungsmembran zur Abtrennung/Dissoziation von Wasserstoff Use of an amorphous Ni-alloy membrane for the separation / dissociation of hydrogen |
| 01/21/2009 | EP2015862A2 Filter unit for sewage treatment and drinking water provision |
| 01/21/2009 | EP1529068B1 Fluorinated polymers, |
| 01/21/2009 | CN101351263A 陶瓷过滤器 Ceramic filters |
| 01/21/2009 | CN101350418A Microporous-film-and-fiber-reinforced multilayer fluorine-containing cross-linking doping ionic membrane and preparation method thereof |
| 01/21/2009 | CN100453154C Metal bearing membranes |
| 01/21/2009 | CN100453153C Extreme low-voltage composite reverse osmosis membrane and production method thereof |
| 01/21/2009 | CN100453152C Stainless steel net sintering polytetrafluoroethylene film and process for making same |
| 01/21/2009 | CN100453126C Dialyzers for blood treatment and processes for production thereof |
| 01/20/2009 | US7479243 Microporous polyolefin membrane, and method of producing the same |
| 01/20/2009 | US7479242 Complex mixed conductor containing Pr-doped cerium oxide and spinel-type ferrite and its preparation method |
| 01/20/2009 | US7479227 Pervaporation using a membrane of a fluorinated polymer with a cyclic ether ring, such as a polyperfluorodioxole-tetrafluoroethylene copolymer, and is particularly useful for separating mixtures containing light organic components, such as propylene from propane and butane from isobutane |
| 01/15/2009 | WO2009008556A1 Flexible and autonomous protein nanofilm, method of producing the same and application thereof |
| 01/15/2009 | WO2009008500A1 Composite semipermeable membrane |
| 01/15/2009 | US20090013873 Gas/Liquid Separator Including a Liquid Trap Filter |
| 01/14/2009 | EP2014350A2 Water-treating method |
| 01/14/2009 | EP2014349A1 Membranes made of sulphonated aromatic polyether ketone and polybenzimidazole, and their use |
| 01/14/2009 | EP2012910A1 Fouling resistant membranes formed with polyacrylonitrile graft copolymers |
| 01/14/2009 | EP2012909A1 Asymmetric membranes for use in nanofiltration |
| 01/14/2009 | EP2012903A2 Device to separate olefins from paraffins and to purify olefins and use thereof |
| 01/14/2009 | CN101343372A Preparation method for nano-fibre ion exchange membrane |
| 01/14/2009 | CN101342468A Preparation method for beta crystal phase polyvinylidene fluoride hollow fiber porous membrane |
| 01/14/2009 | CN101342467A Preparation method for molecular sieve film for water elimination |
| 01/14/2009 | CN101342466A Preparation method for hydrophobic zirconium-silicon molecular sieve film |
| 01/14/2009 | CN101342465A Hollow fiber porous film and process for producing same |
| 01/14/2009 | CN100452501C Modified alcohol-barrier proton exchange film based on hydrophilic area surface and its production |
| 01/14/2009 | CN100450598C Method for preparing PVDF super-fine fiber film with good mechanics-performance |
| 01/13/2009 | US7476635 Process for making supported thin zeolite membrane |
| 01/13/2009 | US7476460 Oxidation of metal compound forming oxides for fuel cells |
| 01/13/2009 | CA2356226C Method for the removal of particulate matter from aqueous suspension |
| 01/08/2009 | WO2009005745A1 Zeolite membrane structures and methods of making zeolite membrane structures |
| 01/08/2009 | WO2009004988A1 System for continuously using resist stripper liquid based on nanofiltration |
| 01/08/2009 | WO2009004962A1 Flat-membrane element for filtration and flat-membrane filtration module |
| 01/08/2009 | WO2009004922A1 Lactic acid production method |
| 01/08/2009 | WO2009004612A2 A method and a device for removing contaminents from a fluid-material |
| 01/08/2009 | WO2009004213A2 Method of limiting the maximum stress developed in a hybrid ion-conducting ceramic membrane |
| 01/08/2009 | WO2009003936A2 Biomimetic artificial membrane device |
| 01/08/2009 | WO2006072944A3 Zero valent metal composite for catalyticaly treating contaminated water |
| 01/08/2009 | US20090011403 Microporous materials, methods of making, using, and articles thereof |
| 01/08/2009 | US20090008328 Composite Materials Comprising Supported Porous Gels |
| 01/08/2009 | US20090007780 water is selectively separated from water-containing mixture with separation membrane that is a DDR (Deca-Dodecasil 3R) type zeolite membrane, the dehydration method using pervaporation or vapor permeation; cost efficiency, energy efficiency, acid resistance |
| 01/08/2009 | CA2690492A1 Method of producing lactic acid |
| 01/08/2009 | CA2662925A1 Flat-membrane element for filtration and flat-membrane filtration module |
| 01/07/2009 | EP2011778A2 Composite ceramic body, method of manufacturing the same and ceramic filter assembly |
| 01/07/2009 | EP2010308A1 Method for the preparation of a nanoporous layer of nanoparticles and layer so obtained |
| 01/07/2009 | EP1963013A4 Fabrication methods for catalyst coated membranes |
| 01/07/2009 | CN101340002A Hydrolyzation tolerant sulfonated polyimide proton exchange membrane and preparation thereof |
| 01/07/2009 | CN101338217A Method of preparing composite membrane for gasoline desulphurization |
| 01/07/2009 | CN101337167A Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter |
| 01/07/2009 | CN101337166A Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter |
| 01/07/2009 | CN101337165A Preparation method of filter membrane for desalinating sea water |
| 01/07/2009 | CN101337164A Preparation method of filter membrane for desalinating sea water |
| 01/07/2009 | CN101337163A Preparation method of filter membrane for desalinating sea water |
| 01/07/2009 | CN101337162A Preparation method of filter membrane for desalinating sea water |
| 01/07/2009 | CN101337161A Preparation method of filter membrane for desalinating sea water |
| 01/07/2009 | CN101337160A Preparation method of filter membrane for desalinating sea water |
| 01/07/2009 | CN100448922C Microporous membrane made from polyolefin |
| 01/07/2009 | CN100448518C Method for preparing polyethylene glycol composite nanofiltration membrane and its products |
| 01/07/2009 | CN100448517C Method for producing hollow yarn film |
| 01/07/2009 | CN100448516C High-flux dialysis membrane with an improved separation behavior |
| 01/06/2009 | CA2452465C Leak site odorization for gas leak detection |
| 01/02/2009 | DE102007043828B3 Composite material, useful for a membrane for a direct alcohol fuel cell, comprises a polymer and an inorganic component, where polymer contains a polyaryl-ether/-ketone/-sulfone and inorganic component carries a layer against set charge |
| 01/02/2009 | DE102007029542A1 Verfahren zur Herstellung eines sulfonierten Poly (1,3,4-oxadiazol)-Polymers A process for preparing a sulfonated poly (1,3,4-oxadiazole) polymer |
| 12/31/2008 | WO2009002747A2 Convenient substance-recovery system and process |
| 12/31/2008 | WO2009001970A1 Separation membrane complex, and method for production of separation membrane complex |
| 12/31/2008 | WO2009001916A1 Composite semipermeable membranes and process for production thereof |
| 12/31/2008 | EP2009080A1 Method for separation of methane, methane separator, and methane utilization system |
| 12/31/2008 | EP2008706A1 Highly durable porous pvdf film, method of producing the same and washing method and filtration method using the same |
| 12/31/2008 | EP2007508A2 Composite membrane |
| 12/31/2008 | EP2007278A1 Silicone based membranes for use in implantable glucose sensors |
| 12/31/2008 | EP1196229B1 Filtration devices comprising a sealing gasket |
| 12/31/2008 | EP1044719B1 Support for semipermeable membrane |
| 12/31/2008 | CN101332415A Polyamide reverse osmosis composite membrane containing biphenyl structure and production method thereof |
| 12/31/2008 | CN101332321A Filter-core of absorption filtering device |
| 12/31/2008 | CN100446845C Polysulfone and polyethy lene base polymer blend membrane, and its preparing and use |
| 12/31/2008 | CN100446844C Nylon affinity membrane preparing method and use |
| 12/31/2008 | CN100446843C Method for preparing acrylic acid esters co-polymer membrane with anticoagulation function |
| 12/31/2008 | CA2689499A1 Separation membrane complex, and method for manufacturing the separation membrane complex |
| 12/30/2008 | US7470761 Proton-conductive membranes and layers and methods for their production |
| 12/30/2008 | US7470639 Production of wetlaid-spunbond laminate membrane support |
| 12/30/2008 | US7470488 Multilayer; polymer support overcoated with gelled polymer layer; stretching and heat setting |
| 12/30/2008 | US7470368 Hydrophilic substance and a production method thereof |
| 12/30/2008 | US7470348 Separator for producing aromatic carboxylic acids |
| 12/25/2008 | US20080318134 Polymer Membranes |
| 12/25/2008 | US20080317953 Mesoporous materials and methods |
| 12/25/2008 | US20080314831 Composite Materials Comprising Supported Porous Gels |
| 12/25/2008 | US20080314820 Permeable Membrane Repelling One or More Liquids |
| 12/24/2008 | WO2008156173A1 Roll of porous polytetrafluoroethylene sheet and tape roll |
| 12/24/2008 | WO2008156124A1 Method for separation of immunoglobulin monomer |