| Patents for C25B 13 - Diaphragms; Spacing elements (2,681) |
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| 07/02/2003 | CN1427864A Polymer membranes |
| 06/26/2003 | WO2003052821A1 Microfluidic analytical apparatus |
| 06/26/2003 | US20030116443 Apparatus for producing hydrogen, electrochemical device, method for producing hydrogen and method for generating electrochemical enegy |
| 06/19/2003 | US20030113604 Fuel cell comprising a composite membrane |
| 06/19/2003 | US20030113603 Hydrophilic polymers and their use in electrochemical cells |
| 06/12/2003 | US20030106805 Electrochemistry process; low temperature electrolysis |
| 06/05/2003 | US20030104258 Solid acid electrolytes for electrochemical devices |
| 06/04/2003 | EP0973734B1 Crosslinkable bi-sulphonyl derivatives and their uses for preparing ion-exchanging membranes |
| 06/04/2003 | CN2554186Y Electric tank diaphragm adsorption beating system |
| 05/27/2003 | CA2262828C Bimetal platinum or silver supported catalyst, production method and use for same in electrochemical cells |
| 05/22/2003 | WO2003042430A2 Electrochemical cell with gas diffusion electrodes |
| 05/21/2003 | EP1312700A2 Process for the production of alkali metal alcoholates |
| 05/21/2003 | EP1312603A1 Polymerisable bis-sulphonyl derivatives and their use for preparing ion exchange membranes |
| 05/14/2003 | EP1040155B1 Method for producing a membrane used to operate fuel cells and electrolyzers |
| 05/14/2003 | CN1418263A Ion conduction ceramic membrane and surface treatment |
| 05/13/2003 | US6562446 Multi-layer polymer electrolyte-membrane, electrochemical apparatus and process for the preparation of multi-layer polymer electrolyte membrane |
| 05/02/2003 | EP1305454A1 Process and method for recovery of halogens |
| 04/16/2003 | EP1301958A1 Hybrid material, use of said hybrid material and method for making same |
| 04/10/2003 | WO2003029522A2 Diaphragm cell for chlor-alkali production with increased electrode surface and method of use |
| 04/08/2003 | CA2098159C Polymer electrolytes and their preparation |
| 03/27/2003 | WO2003025251A1 Hydrogen gas manufacturing and filling equipment and electrochemical equipment |
| 03/20/2003 | WO2003023890A2 Hydrophilic polymers and their use in electrochemical cells |
| 03/20/2003 | WO2003022912A2 Ion conducting membrane having high hardness and dimensional stability |
| 03/20/2003 | CA2736066A1 Hydrophilic polymers and their use in electrochemical cells |
| 03/13/2003 | US20030047446 Electrolysis cell, in particular for the electrochemical preparation of chlorine |
| 03/12/2003 | EP1290069A2 Polymers and polymer membranes covalently cross-linked by sulphinate alkylation |
| 03/05/2003 | CN1401016A Apparatus for producing hydrogen, electrochemical device, method for producing hydrogen and method for generating electrochemical energy |
| 02/27/2003 | US20030038025 Method and apparatus for improving sidewall coverage during sputtering in a chamber having an inductively coupled plasma |
| 02/26/2003 | EP1284808A1 Separation of micromolecules |
| 02/20/2003 | WO2003014419A2 Electrolysis cell, particularly for electrochemically producing chlorine |
| 02/20/2003 | CA2456048A1 Electrolysis cell, particularly for electrochemically producing chlorine |
| 02/13/2003 | WO2002000773A9 Polymers and polymer membranes covalently cross-linked by sulphinate alkylation |
| 02/12/2003 | EP1282657A2 Polymer membranes |
| 02/12/2003 | EP0950075B1 Electrolytic membrane, method of manufacturing it and use |
| 02/12/2003 | CN1101259C Bimetal supported catalyst based on platinum or silver, its manufactuirng process and its use of electrochemical cells |
| 01/30/2003 | US20030023016 Cross-linkable bi-sulphonyl derivatives and their uses for preparing ion-exchanging membranes |
| 01/23/2003 | US20030017379 Fuel cells and other products containing modified carbon products |
| 01/09/2003 | US20030008190 For use in electrochemical device; electroconductivity; impermeable to fluids such as gas and water, can operate without hydration |
| 01/09/2003 | US20030006145 Low gravity electrochemical cell |
| 01/08/2003 | CN1098309C Technology for making diaphragm and used in apparatus to generate hydrogen by water electrolysis |
| 12/27/2002 | WO2002027846A3 Method and apparatus for improved fluid flow within an electrochemical cell |
| 12/18/2002 | EP1266049A1 Ion conducting ceramic membrane and surface treatment |
| 12/18/2002 | EP1265951A2 Ion-exchange materials |
| 12/11/2002 | EP0842216B1 Rechargeable battery polymeric electrolyte |
| 11/20/2002 | EP1257348A1 Graft polymeric membranes and ion-exchange membranes formed therefrom |
| 11/05/2002 | US6475356 Method and apparatus for improving sidewall coverage during sputtering in a chamber having an inductively coupled plasma |
| 10/31/2002 | WO2002086195A1 Charge barrier flow-through capacitor |
| 10/31/2002 | US20020160272 Process for producing a modified electrolyte and the modified electrolyte |
| 10/29/2002 | US6471850 Low gravity electrochemical cell |
| 10/24/2002 | WO2002084767A2 Fuel cells and other products containing modified carbon products |
| 10/24/2002 | CA2443934A1 Fuel cells and other products containing modified carbon products |
| 10/23/2002 | CN2517753Y Low calcium-magnesium rubber mat |
| 10/22/2002 | US6468684 Proton conducting membrane using a solid acid |
| 10/15/2002 | US6465136 Perfluorinated sulfonic acid polymers such as nafion.rtm. and other ion exchange materials incorporated into films to form composite membranes; optionally a noble metal is dispersed within the matrix |
| 10/15/2002 | CA2112797C Treated polymeric non-woven fabric |
| 10/02/2002 | EP1245056A1 Low gravity electrochemical cell |
| 09/25/2002 | EP1243043A1 High temperature polybenzazole and polyether electrolytes |
| 09/25/2002 | EP1242655A1 Asbestos-free diaphragm, comprising non-fibrous mineral particles, combination comprising same, method for obtaining same and use thereof |
| 08/29/2002 | WO2002023646A3 Improved membrane electrode assemblies using ionic composite membranes |
| 08/22/2002 | WO2002027070A3 Method for electrolysis of water using a polytetrafluoroethylene supported membrane in electrolysis cells |
| 08/21/2002 | CN2506657Y Cathode isolation edge strip |
| 08/15/2002 | US20020110719 Multipart separator plate for an electrochemical cell |
| 08/15/2002 | US20020108852 The sum of the electrochemically active parts of the surface of the counterelectrode is smaller than that of the working electrode; dialkyl azodicarboxylates from dialkyl hydrazodicarboxylates |
| 08/14/2002 | CN1364098A Step-by-step alkyltion of polymeric amins |
| 08/08/2002 | US20020106551 Integral membrane support and frame structure |
| 08/08/2002 | US20020106541 Fuel cell and fuel cell system |
| 08/07/2002 | EP1228122A1 Composite ion-exchange membranes |
| 08/06/2002 | US6428678 Method and device for obtaining synthesis gas |
| 08/06/2002 | US6428676 Process for producing low alpha lead methane sulfonate |
| 08/01/2002 | US20020103306 Multistep deprotonation with a metallo-organic base and reacting with an alkyl halide; ion exchange resins |
| 07/24/2002 | EP1080509B1 Bipolar plates for electrochemical cells |
| 07/18/2002 | WO2002000773A3 Polymers and polymer membranes covalently cross-linked by sulphinate alkylation |
| 07/11/2002 | US20020091201 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 |
| 06/27/2002 | WO2002050338A1 Apparatus for producing hydrogen, electrochemical device, method for producing hydrogen and method for generating electrochemical energy |
| 06/27/2002 | US20020079235 Method for electrolysis of water using a polytetrafluoroethylene supported membrane in electrolysis cells |
| 06/26/2002 | EP1217098A1 Bipolar quasi-separated electrolytic cells |
| 06/20/2002 | WO2002047802A1 Cation-conducting or proton-conducting ceramic membrane infiltrated with an ionic liquid, method for the production thereof and use of the same |
| 06/20/2002 | WO2002047801A1 Cation-conducting or proton-conducting ceramic membrane based on a hydroxysilylic acid, method for the production thereof and use of the same |
| 06/20/2002 | DE10063195A1 Electrolysis cell, useful for production of organic and inorganic products, has electrochemically active counter electrode area that is smaller than that of working electrode |
| 06/20/2002 | DE10061959A1 Kationen-/protonenleitende, mit einer ionischen Flüssigkeit infiltrierte keramische Membran, Verfahren zu deren Herstellung und die Verwendung der Membran Cation / proton-conductive, with an ionic liquid infiltrated ceramic membrane, process for their preparation and the use of the membrane |
| 06/20/2002 | DE10061920A1 Kationen-/protonenleitende keramische Membran auf Basis einer Hydroxysilylsäure, Verfahren zu deren Herstellung und die Verwendung der Membran Cation / proton-conductive ceramic membrane based on a Hydroxysilylsäure, processes for their preparation and the use of the membrane |
| 06/20/2002 | CA2431057A1 Cation/proton-conducting ceramic membrane infiltrated with an ionic liquid, and production and use of said membrane |
| 06/20/2002 | CA2431055A1 Cation/proton-conducting ceramic membrane based on a hydroxysilyl acid, its production and use |
| 06/11/2002 | US6402988 Process for producing a syngas |
| 06/06/2002 | WO2001084657A3 Polymer membranes |
| 05/30/2002 | WO2000066254A8 Step-by-step alkylation of polymeric amines |
| 05/28/2002 | US6395155 Electrolysis plate |
| 05/14/2002 | USRE37701 Integral composite membrane |
| 05/14/2002 | US6387230 Composite membrane suitable for use in electrochemical devices |
| 05/08/2002 | DE10054233A1 Kovalent vernetzte Kompositmembranen Covalently cross-linked composite membranes |
| 04/16/2002 | USRE37656 Expanded polytetrafluoroethylene membrane having a porous microstructure of polymeric fibrils, ion exchange material; fuel cells |
| 04/16/2002 | CA2234074C Storage-stable, fluid dispensing device using a hydrogen gas generator |
| 04/04/2002 | WO2002027846A2 Method and apparatus for improved fluid flow within an electrochemical cell |
| 04/04/2002 | WO2002027845A2 Integral membrane support and frame structure |
| 04/04/2002 | WO2002027070A2 Method for electrolysis of water using a polytetrafluoroethylene supported membrane in electrolysis cells |
| 03/21/2002 | WO2002023646A2 Improved membrane electrode assemblies using ionic composite membranes |
| 03/21/2002 | US20020034904 Used for electrolysis of an alkali metal chloride aqueous solution |
| 03/21/2002 | CA2422282A1 Improved membrane electrode assemblies using ionic composite membranes |
| 03/20/2002 | CN1340636A Selective electrochemical oxidation method for organic compound |
| 03/14/2002 | US20020031694 Mixed oxide oxidation catalyst |