| 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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| 01/13/2005 | US20050006252 Process for improving the purity of quaternary ammonium hydroxides by electrolysis in a two-compartment cell |
| 01/13/2005 | US20050006249 Oxygen ion conducting ceramic material and use thereof |
| 01/13/2005 | CA2530805A1 Membranes containing poly(vinyl methyl ether) and hydrophylisation of membranes using poly(vinyl methyl ether) |
| 01/12/2005 | EP1494790A1 Hydrophobic membrane materials for filter venting applications |
| 01/12/2005 | EP1494789A1 Hollow fibres |
| 01/12/2005 | EP1176924B1 Improved filter element for embolic protection device |
| 01/12/2005 | EP1083981B1 Composite membrane made of a microporous support membrane and interlayer made of regenerated cellulose and method for the production of the same |
| 01/12/2005 | CN1565066A Hydrophilic polymers and their use in electrochemical cells |
| 01/12/2005 | CN1564707A Process for improving the purity of quaternary ammonium hydroxides by electrolysis in a two-compartment cell |
| 01/12/2005 | CN1562486A Method for preparing full fluorinion exchange resin |
| 01/12/2005 | CN1562452A Cross-blending membrane, preparation method and application |
| 01/12/2005 | CN1562451A Crossblend separation membrane for polyvinyl chloride in high pass quantity and preparation method |
| 01/12/2005 | CN1562450A New type nano SiO2 separation membrane and preparation method |
| 01/11/2005 | US6841601 Organic-inorganic hybrid made by combining a silicon or metal alkoxide such as vinyltrialkoxysilane or tetraalkoxysilane and a hydrogenated block butadiene-styrenesulfonic acid copolymer; use in humidity exchange cell (or HUX) for example |
| 01/11/2005 | US6841497 Method of producing aluminum oxides and products obtained on the basis thereof |
| 01/11/2005 | US6841285 Impregnation of ion-exchange membranes to improve electrochemical fuel cell performance |
| 01/11/2005 | US6841075 Permeable composite material, method for producing said composite material, and use of the same |
| 01/06/2005 | WO2005001021A2 Nanocarpets for trapping particulates, bacteria and spores |
| 01/06/2005 | WO2005000446A1 Ceramic flat membrane stack and method for producing one such stack |
| 01/06/2005 | US20050003204 Mutiple layered membrane with fluorine containing polymer layer |
| 01/06/2005 | US20050003033 Extrusion method and apparatus |
| 01/06/2005 | US20050000901 Adsorbs and absorbs contaminants from air stream; combination of acidic and basic polymers |
| 01/06/2005 | US20050000899 Membrane formed from polyamides, polyimides, polypyrrole-imide copolymers |
| 01/06/2005 | US20050000897 Membrane filtration |
| 01/06/2005 | US20050000889 Membranes and methods of manufacture thereof |
| 01/06/2005 | US20050000888 Method for preparing a separation medium |
| 01/06/2005 | US20050000881 Plate filtration module |
| 01/05/2005 | EP1494307A1 Polyelectrolyte membrane, method for its production and fuel cell using said polyelectrolyte membrane |
| 01/05/2005 | EP1492611A1 Method for removing a nitrogen oxide from a gas |
| 01/05/2005 | EP1255717B1 Process for purifying a liquid hydrocarbon product |
| 01/05/2005 | CN1561448A Exchange apparatus |
| 01/05/2005 | CN1561380A Hydrophilic material and process for producing the same |
| 01/05/2005 | CN1182911C Mixed oxygen-permeable conductor membrane for partial oxidizing reaction of methane and its preparing process |
| 01/04/2005 | US6837996 Polysulfonamide matrices |
| 01/04/2005 | US6837992 Integrated apparatus for degassing and blending multiple mobile phase streams |
| 01/04/2005 | US6837381 Highly permeable composite reverse osmosis membrane and method of producing the same |
| 01/04/2005 | CA2215672C Coated membranes |
| 12/30/2004 | US20040267302 Embolic protection device |
| 12/30/2004 | US20040265668 Membrane with anode and cathode elrctrode for fuel cells |
| 12/30/2004 | US20040262227 For use as polymer electrolyte membranes (PEMs) in PEM fuel cells or in apparatuses for the filtration and/or separation of gases and/or liquids or for reverse osmosis |
| 12/30/2004 | US20040262216 Negatively charged membrane |
| 12/30/2004 | US20040262169 Method and device for carrying out membrane purification |
| 12/30/2004 | US20040261616 Poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole crosslinked with alpha ,alpha-dibromo-p-xylene; enhanced gas permeability over noncrosslinked analog at warm temperatures; separation of gases such as hydrogen, carbon dioxide |
| 12/30/2004 | US20040261459 Inorganic hollow fibers |
| 12/30/2004 | DE19925475B4 Kompositmembran aus einer porösen Trägermembran, Verfahren zu ihrer Herstellung und deren Verwendung The composite membrane of a porous support membrane, process for their preparation and their use |
| 12/30/2004 | DE10329229B3 Flachmembranstapel und Verfahren zur Herstellung einer solchen Flat membrane stack and method for producing such |
| 12/30/2004 | DE10326741A1 Mikroporöse Membran auf Cellulosebasis Microporous membrane based on cellulose |
| 12/30/2004 | DE10102744B4 Oberflächenveredelte Membran sowie Verfahren und Vorrichtung zur Herstellung der Membran Surface-coated membrane as well as methods and apparatus for making the membrane |
| 12/29/2004 | WO2004112934A2 Method of producing a porous membrane and waterproof, highly breathable fabric including the membrane |
| 12/29/2004 | EP1490426A2 Ion conducting membrane having high hardness and dimensional stability |
| 12/29/2004 | EP1490165A1 Epoxysilicone coated membranes |
| 12/29/2004 | EP1427532A4 Multi-layer coated porous materials and methods of making the same |
| 12/29/2004 | EP1282657B1 Polymer membranes |
| 12/29/2004 | CN1558941A Oil dehydrator |
| 12/29/2004 | CN1558790A Novel inorganic nanofiltration membranes |
| 12/29/2004 | CN1558789A Hydrogen purification membranes, components and fuel processing systems containing the same |
| 12/29/2004 | CN1557533A Low-temperature plasma grafting infiltration vaporization membrane and its preparing method |
| 12/29/2004 | CN1557532A Hollow fiber ultrafiltration membrane of polysulfone with permanent hydrophilicity and its preparing process |
| 12/28/2004 | US6835311 Microporous filter media, filtration systems containing same, and methods of making and using |
| 12/28/2004 | US6835232 Fluid separation assembly and fluid separation module |
| 12/23/2004 | WO2004110601A1 Cellulose-based microporous membrane |
| 12/23/2004 | WO2004110600A1 Material for processing non-aqueous mixtures and methods for their preparation |
| 12/23/2004 | WO2004110599A2 Multilayered structures and methods for producing the same |
| 12/23/2004 | WO2004110132A2 Water vapor permeable hydrophilic membranes and devices made there-from and process for using the devices |
| 12/23/2004 | WO2004071631A3 Multi-layer ceramic composite |
| 12/23/2004 | US20040260130 comixing hydrogen with a polyunsaturated hydrocarbon feedstock into a reaction zone of reactor; high conversion rates by limiting the hydrogen consumption and the heat released during the reaction; improved catalyst life |
| 12/23/2004 | US20040258999 sulfonated polyether ether ketone copolymer |
| 12/23/2004 | US20040256321 Multiple-passageway device that removes fi ltrate by incorporating a filtrate conduit(s) within the monolith structure; utilizes most of its passageways by providing a low pressure drop flow path for filtrate between even the innermost passageways and an external filtrate collection zone |
| 12/23/2004 | US20040256318 Separating device, analysis system separation method and method of manufacture of separating device |
| 12/23/2004 | US20040256311 Ultralyophobic membrane |
| 12/23/2004 | US20040256310 Controlling stress to which the membrane is subjected during gelation for developing at least one preselected physical property; controlling pore size distribution, increasing porosity and pre-stress relief; membrane layer of fabric based on a hydrophobic plastic such as PVDF |
| 12/23/2004 | US20040256309 Satisfies the following relationship when seawater at 25 degrees C. having a pH of 6.5, a boron concentration of 5 ppm and a TDS concentration of 3.5% by weight is permeated under an operation pressure of 5.5 MPa:/m2*day); high salt removal ratio and high rejection performance |
| 12/23/2004 | US20040256212 Medicine feeder |
| 12/23/2004 | DE10223103B4 Verfahren zur Abtrennung von flüssigen Produkten aus einem Produktgemisch und Festkörpermembran dafür Process for the separation of liquid products from a product mixture, and solid-state membrane for |
| 12/22/2004 | EP1488873A2 Powder comprising metal containing particles having a highly anisotropic, irregular morphology |
| 12/22/2004 | EP1488846A1 Composite semipermeable membrane, and production process thereof |
| 12/22/2004 | EP1487760A1 Method of preparing a thin ceramic composition with two materials, the composition thus obtained and the constituent electrochemical cell and membrane |
| 12/22/2004 | EP1487566A1 Capillary membrane and device for production thereof |
| 12/22/2004 | EP1487563A1 Hydrogen transport membranes |
| 12/22/2004 | EP1179367B1 Use of a chelate-forming porous hollow fiber membrane and method for the recovery of germanium oxide with the same |
| 12/22/2004 | EP0917902B1 Filter medium and air filter unit |
| 12/22/2004 | CN1556833A Porous membrane and method of manufacturing the same |
| 12/22/2004 | CN1555903A Ceramic filter tube membrane material and membrane covering technology |
| 12/22/2004 | CN1180880C Intelligent chiral separation affinity membrane and its preparing method |
| 12/22/2004 | CN1180879C Two-phase mixed conductor oxygen-breathable film, preparing process and use thereof |
| 12/22/2004 | CN1180878C Prepn process of fixing-carrier composite film for separating acid gas |
| 12/22/2004 | CN1180877C Method for synthesizing molecular sieve film using vacuum crystal method |
| 12/22/2004 | CN1180876C Composite membrane with polyalkylene oxide modified polyamide surface |
| 12/21/2004 | US6833073 Composite nanofiltration and reverse osmosis membranes and method for producing the same |
| 12/16/2004 | WO2004042845A3 Composite proton exchange membrane and method of manufacturing the same |
| 12/16/2004 | WO2004024300A8 Ultrafiltration membrane, device, bioartificial organ and methods |
| 12/16/2004 | WO2003083985A3 Ion exchange composite material based on proton conductive silica particles dispersed in a polymer matrix |
| 12/16/2004 | US20040253624 Contacting microporous material (ceramic, carbon, glass, metal, or metal oxide) with tin compound to produce composite, then contacting with pigment comprising elemental metal, metal oxide, and/or alloy; for hybridizing nucleic acids; solid phase synthesis |
| 12/16/2004 | US20040251201 Selective porous inorganic membrane which is permeable to non-condensable molecules and allows separation of these molecules present in hydrocarbon mixtures with high separation selectivity towards the molecules; zeolitic membranes, aluminosilicate membranes, silica membranes, alumina membranes |
| 12/16/2004 | US20040251193 Ply is wound at a given spiral winding angle in such a manner that gaps are defined between adjacent edges of consecutive turns of the ply, and the wide ply gaps have the effect of increasing the compliance of intermediate zone of tube wall |
| 12/16/2004 | US20040251010 Exchange apparatus |
| 12/15/2004 | EP1485427A1 Mixture comprising sulphonic acid containing vinyl, polymer electrolyte membrane comprising polyvinylsulphonic acid and the use thereof in fuel cells |
| 12/15/2004 | EP1485193A1 Hollow fiber membrane contact apparatus and process |
| 12/15/2004 | EP1204597B1 Method of producing aluminum oxides and products obtained on the basis thereof |
| 12/15/2004 | EP0951355B1 Method for producing catalytically active permeable composite material |