| Patents for C25B 13 - Diaphragms; Spacing elements (2,681) |
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| 08/31/2004 | US6783885 Low gravity electrochemical cell |
| 08/25/2004 | EP1450430A2 Polymer electrolyte, proton conductive membrane and membrane-electrode assembly |
| 08/25/2004 | CN1163998C High molecular electrolyte membrane, electrochemical unit and manufacturing method of high molecular electrolyte membrane |
| 08/19/2004 | WO2004024992A8 Sparse media edi apparatus and method |
| 08/19/2004 | US20040159544 High temperature, carbon monoxide-tolerant perfluorosulfonic acid composite membranes and methods of making same |
| 08/19/2004 | US20040159285 Gas gate for isolating regions of differing gaseous pressure |
| 08/18/2004 | EP1446515A2 Electrochemical cell with gas diffusion electrodes |
| 08/05/2004 | US20040149965 Heat and chemical resistance; waterproof |
| 07/29/2004 | DE10209774A1 Composites und Compositemembranen Composites and Composite Membranes |
| 07/22/2004 | DE10301052A1 Bipolar plate unit with two distribution plates of channeled structure for electrochemical cells useful in fuel cell technology and in polymer-electrolyte membranes (PEM) |
| 07/07/2004 | CN2623701Y Lonic membrane electrolytic bath rubber sheet gasket |
| 07/07/2004 | CN1510172A High performance brown gas generator |
| 06/30/2004 | EP1115908B1 Natural gas-assisted steam electrolyzer |
| 06/29/2004 | US6756328 Reinforced cation exchange membrane and production process thereof |
| 06/16/2004 | EP1428284A2 Hydrophilic polymers and their use in electrochemical cells |
| 06/16/2004 | EP1427871A2 Diaphragm cell for chlor-alkali production with increased electrode surface and method of use |
| 06/16/2004 | CN1505700A Charge barrier flow-through capacitor |
| 06/15/2004 | CA2120582C Process for the fabrication of a bipolar membrane and process for the fabrication of an aqueous solution of an alkaline metal hydroxyde |
| 06/10/2004 | US20040108203 Apparatus for converting a fluid into at least two gasses through electrolysis |
| 06/09/2004 | EP1427044A2 Proton exchange membrane (PEM) for a fuel cell |
| 06/09/2004 | EP1426468A1 Hydrogen gas manufacturing and filling equipment and electrochemical equipment |
| 06/03/2004 | US20040106044 Polymer membranes |
| 06/02/2004 | CN1501538A Proton exchange membrane (PEM) for a fuel cell |
| 05/21/2004 | WO2004042774A1 Methods and apparatus for generating high-density plasma |
| 05/19/2004 | EP1419112A1 Bubble-free and pressure-generating electrodes for electrophoretic and electroosmotic devices |
| 05/19/2004 | EP1171384A4 Proton conducting membrane using a solid acid |
| 05/15/2004 | CA2442372A1 Proton exchange membrane (pem) for a fuel cell |
| 05/13/2004 | WO2004015172A3 Electrolysis process and apparatus |
| 05/12/2004 | EP1417356A2 Electrolysis cell, particularly for electrochemically producing chlorine |
| 05/06/2004 | US20040085023 Methods and apparatus for generating high-density plasma |
| 05/06/2004 | DE10315209A1 Fest-Elektrolyt mit hoher Ionen-Leitfähigkeit Solid electrolyte with high ionic conductivity |
| 04/29/2004 | US20040081892 Complex compound including water that has zirconic acid compound and polyvinyl alcohol and a carboxylic acid or salt, especially polyacrylic acid |
| 04/29/2004 | US20040081876 Membrane electrode assemblies using ionic composite membranes |
| 04/29/2004 | DE10347457A1 Highly stable polymer electrolyte composite consisting of a polymer electrolyte useful in production of electrolyte membranes for fuel cells, water and halogen halide electrolysis, humidity sensors, and gas sensors |
| 04/28/2004 | EP0973809B1 Cross-linked sulphonated polymers and method for preparing same |
| 04/28/2004 | CN1491982A Solid electrolyte with high ion conductivity and electrochemical system using said solid electrolyte |
| 04/22/2004 | WO2004034487A2 Proton exchange reactive membrane, reactor and method for conversion of light alkanes to higher hydrocarbons and method of reactivating a catalyst layer |
| 04/22/2004 | CA2481360A1 Proton exchange reactive membrane, reactor and method for conversion of light alkanes to higher hydrocarbons and method of reactivating a catalyst layer |
| 04/13/2004 | CA2098238C Polymer electrolyte membrane, and process for the production thereof |
| 04/11/2004 | CA2444647A1 High-durability polymer electrolyte, high-durability polymer electrolyte composite, electrode, and fuel cell |
| 04/08/2004 | US20040067402 Ultra-thin integral composite membrane |
| 03/25/2004 | WO2004024992A1 Sparse media edi apparatus and method |
| 03/24/2004 | EP1400539A1 Crosslinked sulfonated polymers and method for preparing same |
| 03/18/2004 | US20040053060 Polymer with acid groups that interacts and has a spatial relationship with the metal oxides; fuel cell membranes |
| 03/11/2004 | WO2004001874A3 Flow field plate geometries |
| 03/11/2004 | WO2003042430A3 Electrochemical cell with gas diffusion electrodes |
| 02/26/2004 | WO2004017334A1 Solid polyelectrolyte with high durability and solid polyelectrolyte (composite) film comprising the same |
| 02/26/2004 | US20040038105 For use in fuel cells; for use in electrodialysis and/or electrolysis |
| 02/25/2004 | CN2604446Y Semi-encapsulation multipole type ion-exchanging film electrolysis tank rubber gasket |
| 02/19/2004 | WO2004015172A2 Electrolysis process and apparatus |
| 02/19/2004 | WO2003023890A3 Hydrophilic polymers and their use in electrochemical cells |
| 02/12/2004 | US20040028913 Cation-conducting or proton-conducting ceramic membrane based on a hydroxysilylic acid, method for the production thereof and use of the same |
| 01/29/2004 | WO2004010525A1 Catalyst electrode, process for producing the same, electrochemical device, and process for producing the same |
| 01/29/2004 | US20040018408 Mixture of polystyrenesulfonic acid , sodium chloride with polythiophene, polyaniline and,or polypyrrole; mixing, heat treatment |
| 01/21/2004 | EP1383194A2 Proton conductive solid polymer electrolyte and method for producing the same |
| 01/15/2004 | WO2003072854A3 Composites and composite membranes |
| 01/14/2004 | CN1134288C Composite membrane |
| 01/06/2004 | CA2154465C Membrane-electrode structure for electrochemical cells |
| 12/31/2003 | WO2004001876A2 Metal-coated polymer electrolyte and method of manufacturing thereof |
| 12/31/2003 | WO2004001874A2 Flow field plate geometries |
| 12/30/2003 | US6670424 Cationic ion exchange resins, membranes, dimensional stability; crosslinks between sulfonyl groups attached to adjacent polymeric chains, including those with a perfluorinated skeleton |
| 12/25/2003 | US20030235737 Fabricating a mold having a microtextured surface; producing a microstructure on surface of polymer electrolyte membrane using mold having microtextured surface; depositing a metal film on microtextured surface of polymer electrolyte membrane |
| 12/24/2003 | WO2003029522A3 Diaphragm cell for chlor-alkali production with increased electrode surface and method of use |
| 12/18/2003 | US20030232225 Bonding graphite powder to thermoplastic resin; forming ribs and gas passageways; molding, etching |
| 12/17/2003 | EP0787369B1 Proton conducting polymers |
| 12/17/2003 | CN1131096C Syngas reactor with ceramic membrane |
| 12/16/2003 | US6663775 Electrolyte permeable membrane comprising cationic and anionic polymers and matrix, in which both polymers are crosslinked particulate polymers of specified size and matrix is selected from polyarylate or fluorinated resin |
| 12/10/2003 | CN1130475C Ion exchange membrane electrolytic tank |
| 11/18/2003 | US6649703 Crosslinking sulfonyl groups of sulfonated polymers at least some crosslinking bonds bear an ionic charge, by allowing reaction between two sulfonyl groups from adjacent polymer chains to form crosslinks; dimensional stability |
| 11/05/2003 | EP0917716B1 Proton conductor with wide-ranging thermal resistance and good proton conductivity |
| 10/30/2003 | US20030201187 Gas liquid phase separator with improved pressure control |
| 10/28/2003 | US6638659 Membrane electrode assemblies using ionic composite membranes |
| 10/28/2003 | CA2252679C Integral multi-layered ion-exchange composite membranes |
| 10/22/2003 | EP0900249B1 Integral multi-layered ion-exchange composite membranes |
| 10/21/2003 | CA2153674C Membrane-electrode structure for electrochemical cells |
| 10/16/2003 | US20030192828 Charge mosaic membrane, its production process, method of its use, and apparatus provided with the same |
| 10/15/2003 | CN2579911Y Ion film electrolytic rubber cushion sheet with local protruding seal line in seal face |
| 10/09/2003 | US20030189011 Process and method for recovery of halogens |
| 10/08/2003 | CN1447867A Process and method for recovery of halogens |
| 09/24/2003 | EP1345675A1 Cation-conducting or proton-conducting ceramic membrane infiltrated with an ionic liquid, method for the production thereof and use of the same |
| 09/24/2003 | EP1345674A1 Cation-conducting or proton-conducting ceramic membrane based on a hydroxysilylic acid, method for the production thereof and use of the same |
| 09/18/2003 | WO2003014419A3 Electrolysis cell, particularly for electrochemically producing chlorine |
| 09/18/2003 | US20030175569 Membrane electrode assembly, fuel cell, electrolytic cell, and solid electrolyte |
| 09/17/2003 | EP1345280A1 Solid electrolyte with nanometre size pores |
| 09/17/2003 | EP1344844A1 Apparatus for producing hydrogen, electrochemical device, method for producing hydrogen and method for generating electrochemical energy |
| 09/17/2003 | EP0835277B1 Polyarylene sulphides with polymer-bound phosphonium salts and process for producing them |
| 09/16/2003 | CA2231142C Processes for forming thin, durable coatings of perfluorocarbon ionomers on various substrate materials |
| 09/11/2003 | US20030170521 Proton exchange membrane (PEM) for a fuel cell |
| 09/04/2003 | WO2003072854A2 Composites and composite membranes |
| 09/03/2003 | CN1440438A Polymers and polymer membranes covalently cross-linked sulphinate alkylation |
| 09/02/2003 | US6613215 Use of an ultrathin composite membrane thus allows for high membrane pressure differentials, higher current densities, and greater cell efficiency |
| 09/02/2003 | US6613203 Ion conducting membrane having high hardness and dimensional stability |
| 08/27/2003 | CN1438270A Solid electrolyte with high ion-conductivity and electro-chemical system using same |
| 08/19/2003 | US6607856 Solid polymer electrolyte having high-durability |
| 08/14/2003 | US20030150719 Solid electrolyte with high ion conductivity and electrochemical system using the solid electrolyte |
| 08/12/2003 | CA2273625C Syngas reactor and ceramic membrane |
| 07/22/2003 | US6596838 Separation method and device with semi-permeable membranes comprising sulphonated polyimides |
| 07/16/2003 | EP1327275A2 Method and apparatus for improved fluid flow within an electrochemical cell |
| 07/10/2003 | US20030127321 Asbestos-free diaphragm, comprising non-fibrous mineral particles, combination comprising same, method for obtaining same and use thereof |
| 07/02/2003 | EP1323205A2 Improved membrane electrode assemblies using ionic composite membranes |