| 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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| 02/11/2004 | EP1327278A4 Ion-conducting sulfonated polymeric materials |
| 02/11/2004 | CN1474887A Cold isopressing method |
| 02/11/2004 | CN1473646A Application method of inorganic membrane tabe and duster and producing method |
| 02/11/2004 | CN1137766C Method of making active sintered microfiltering film |
| 02/11/2004 | CN1137765C Method for producing beer |
| 02/10/2004 | US6689322 Shaped metallic foils are converted into free-standing, porous rutile foils having open pore structure by oxidation at elevated temperature; exposure to increasing concentrations of reducing gas (carbon monoxide) increases electrical resistance |
| 02/10/2004 | US6689195 Coating silicalite colloids on supports, then impregnating with waxes or polymers, then with mixtures of water and silica, and heat treating, to form crystal structured pore size catalysts having improved selectivity |
| 02/10/2004 | US6688477 Multilayer; porous support, permselective layer; membrane for separation of gases, liquids |
| 02/05/2004 | WO2004011672A1 Porous nanostructured film sensor |
| 02/05/2004 | WO2004011600A2 Biomimetic membranes |
| 02/05/2004 | WO2004011579A1 Process for the treatment of waste oils |
| 02/05/2004 | WO2004011286A2 Oxygen-enriched air supplying apparatus |
| 02/05/2004 | WO2004011130A1 Thin film supporting substrate used in filter for hydrogen production and method for manufacturing filter for hydrogen production |
| 02/05/2004 | WO2003089372A3 Method for purifying solutions containing cyanamide |
| 02/05/2004 | WO2003081761A3 Conducting polymer activators based on microporous asymmetric membranes |
| 02/05/2004 | WO2003076483A3 Fluorine-containing ethylene copolymers |
| 02/05/2004 | WO2003061812A3 Polyolefin membrane with an integrally asymmetric structure and method for the production thereof |
| 02/05/2004 | US20040024123 A perfluoropolymer of a vinyl polymers/ether/ or an addition condensation copolymers; a filtration membrane |
| 02/05/2004 | US20040023789 Porous silicon nitride article and method for production thereof |
| 02/05/2004 | US20040023092 Exhibit extensive delocalization of the negative charge and good activity in polymerization or in copolymerization and allow the preparation of macromolecules possessing dissociated and stable ionic functional groups |
| 02/05/2004 | US20040023017 Multilayer microporous membrane |
| 02/05/2004 | US20040020853 Membrane and the use thereof |
| 02/05/2004 | US20040020845 Separation membrane module with hollow fiber and a method of making the same |
| 02/05/2004 | US20040020764 Ion exchange materials |
| 02/05/2004 | DE10055872B4 Verfahren zur Herstellung einer porösen Struktur für ein Sieb oder einen Filter und poröse Struktur für ein Sieb oder einen Filter A process for preparing a porous structure for a screen or a filter and porous structure for a screen or a filter |
| 02/05/2004 | CA2833718A1 Biomimetic membranes |
| 02/05/2004 | CA2497273A1 Biomimetic membranes |
| 02/04/2004 | EP1386651A1 Filtering material for filter, filter pack and air filter unit using the same, and method for preparing filtering material |
| 02/04/2004 | EP1385901A2 Microporous materials and methods of making the same |
| 02/04/2004 | EP1385607A1 Membrane dryer |
| 02/04/2004 | CN1136951C Semipermeable encapsulated membranes with improved acid and base stability, process for their manufacture and their use |
| 01/30/2004 | CA2396206A1 Process for the treatment of waste oils |
| 01/29/2004 | WO2004009684A1 Porous polymeric membrane comprising vinylidene fluoride |
| 01/29/2004 | WO2004009650A1 Photocurable resin composition forming porous material and porous cured resin article |
| 01/29/2004 | WO2004009611A2 Multiple layer membrane and method for fabrication thereof |
| 01/29/2004 | WO2004009201A2 Polymeric surface treatment of filter media |
| 01/29/2004 | WO2003062140A3 Organic acid-feooh (ferroxane) particles and ferroxane-derived ceramics and ceramic membranes |
| 01/29/2004 | WO2003029744B1 A thermoplastic heat exchanger and method of making the same |
| 01/29/2004 | WO2003013708A3 Hybrid membrane, method for the production thereof and use of said membrane |
| 01/29/2004 | US20040016693 Exposing a polymeric base film to a dose of ionizing radiation; and contacting the irradiated base film with an emulsion comprising at least one fluorostyrenic monomer to produce a graft copolymer membrane |
| 01/29/2004 | US20040016689 Integrated apparatus for degassing and blending multiple mobile phase streams |
| 01/29/2004 | US20040016344 Oxygen-enriched air supplying apparatus |
| 01/29/2004 | DE10228148A1 Selektive Membran mit hoher Fouling-Beständigkeit Selective membrane with high fouling resistance |
| 01/28/2004 | EP1076676B1 Engineering ionomeric blends and engineering ionomeric blend membranes |
| 01/28/2004 | CN1470808A Oxygen-rich air supply apparatus |
| 01/28/2004 | CN1470315A Polyethylene heterogeneous ion exchange membrane for electrodialysis desalter of packed bed |
| 01/28/2004 | CN1136035C Method for producing an integrally asymmetrical polyolefinmembrane |
| 01/28/2004 | CN1136034C Artical of manufacture including sufrace modified membrane and process for preparing the same |
| 01/27/2004 | US6682700 Free-standing fluid sensors, filters, and catalyst devices, and methods involving same |
| 01/27/2004 | US6682576 Air filter medium, process of producing filter medium, air filter pack for air filters, and air filter unit for air filters |
| 01/27/2004 | US6681648 Forming meniscus-shaped membranes of different polymers in array of pores on substrate, passing preselected gas flow to inlets of pores, analyzing gas from each outlet gas flow, comparing gas separation properties for polymer materials |
| 01/22/2004 | WO2004007781A2 Method for the generation of pores or channels in a metallic body |
| 01/22/2004 | WO2004007597A1 Porous molecularly imprinted polymer membranes |
| 01/22/2004 | WO2004007060A2 Uv treated membranes |
| 01/22/2004 | WO2004006991A1 Porous membrane |
| 01/22/2004 | WO2003049775A3 Copolymer coating for a hydrophobic membrane |
| 01/22/2004 | US20040011721 Apparatus for purifying water |
| 01/22/2004 | DE10329391A1 Verbesserte Gastrennverbundmembranen aus Perfluorpolymeren Improved composite gas separation membranes from perfluoropolymers |
| 01/22/2004 | CA2492648A1 Porous molecularly imprinted polymer membranes |
| 01/21/2004 | EP1382378A1 Composite semipermeable membrane, method for preparing the same and method for water treatment using the same |
| 01/21/2004 | EP1381447A1 Coated membranes |
| 01/21/2004 | EP1381443A2 Oleophobic membrane materials by oligomer polymerization for filter venting applications |
| 01/21/2004 | CN1469892A Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof |
| 01/21/2004 | CN1469772A Mixed conducting membranes for syngas production |
| 01/21/2004 | CN1468799A Method of preparing hydrogen with garbage and sewage |
| 01/21/2004 | CN1468649A Method for producing selective diffusion barrier with excellent pollution resistibility |
| 01/21/2004 | CN1135135C Separation nano membrane of hollow fibers and its preparing process |
| 01/20/2004 | US6680346 Tetrafluoroethylene copolymer with perfluorovinyl ether having sulfonated phenylphosphonate end group; electrolysis of sodium chloride |
| 01/20/2004 | US6680044 Using porous material that reduces slip enabling overall conversions closer to equilibrium |
| 01/20/2004 | US6679991 Polyamideether desalination membrane; heat and sea water resistant |
| 01/15/2004 | WO2004005380A1 Highly conductive ordered ion exchange membranes |
| 01/15/2004 | WO2004005131A2 Gas valve |
| 01/15/2004 | WO2003072854A3 Composites and composite membranes |
| 01/15/2004 | US20040010173 Producing acetylene and hydrogen from methane and hydrogen and sulfur from hydrogen sulfide in a silent and pulsed corona discharge reactor; continuously recovering hydrogen through permselective membrane walls; free radical reactions |
| 01/15/2004 | US20040009865 Firing a nonoxide ceramic precursor containing silicon as an essential component in an atmosphere containing at least 1 mol % of hydrogen; gas separation membranes, filters; high heat resistance |
| 01/15/2004 | US20040009305 Irradiating, graft copolymization a fluorostyrenic monomer with a polymeric film, curing, densifying the graft copolymer membrane; forming a gas-impermeable membrane, use as ion exchange membrane in an electrochemical fuel cells |
| 01/15/2004 | US20040007529 Comprises oxidation of the reverse osmosis membrane rendering ultrafiltration/microfiltration characteristics |
| 01/15/2004 | US20040007521 Polysulfonamide matrices |
| 01/15/2004 | DE19758431B4 Verfahren zur Herstellung von Mikrohohlfasern und deren Weiterverarbeitung zu Formkörpern A process for producing micro hollow fibers and their further processing to shaped articles |
| 01/15/2004 | DE10228657A1 Protonenleitende Membran und deren Verwendung The proton-conducting membrane and their use |
| 01/15/2004 | DE10227721A1 Separationsmodul, Verfahren zu seiner Herstellung sowie seine Verwendung Separation module, process for its preparation and its use |
| 01/14/2004 | EP1380619A1 Proton-conductive polymer film and process for producing the same |
| 01/14/2004 | EP1379921A1 Process for producing acid sensitive liquid composition containing a carbonate |
| 01/14/2004 | EP1379573A1 Proton-conducting membrane and use thereof |
| 01/14/2004 | EP1379572A1 Proton-conducting membrane and the use thereof |
| 01/14/2004 | EP1073690B1 Acid-base polymer blends and their use in membrane processes |
| 01/14/2004 | CN2598628Y Environmental protection ceramic water filter |
| 01/14/2004 | CN1468278A Uv-assisted grafting of pes and psf membranes |
| 01/14/2004 | CN1467018A Method for preparing hydrophilic microporous material |
| 01/14/2004 | CN1467017A Method for synthesizing molecular sieve film using vacuum crystal method |
| 01/14/2004 | CN1134491C Polyolefin microporous film and method for preparing same |
| 01/14/2004 | CN1134288C Composite membrane |
| 01/13/2004 | US6676993 Composite membranes |
| 01/13/2004 | US6675835 Elliptical tubing in degassing and pulsation dampener application |
| 01/08/2004 | WO2004003061A1 Proton-conducting membrane and the use thereof |
| 01/08/2004 | WO2003073543A3 Flexible electrolyte membrane based on a carrier comprising polymer fibers and on a proton-conducting material, method for the production thereof, and use thereof |
| 01/08/2004 | US20040005474 Composite ion-exchange material |
| 01/08/2004 | US20040005265 Conductive lithium storage electrode |
| 01/08/2004 | US20040003714 Gas separation using membranes formed from blends of perfluorinated polymers |
| 01/08/2004 | DE10246508B3 Selbsttätige Entgasung für Heiz- und Kühlkreisläufe Automatic degassing for heating and cooling circuits |