| Patents for C25B 15 - Operating or servicing of cells (4,262) |
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| 06/04/1998 | WO1998023793A1 Electrochemical plant |
| 06/04/1998 | DE19649832A1 Verfahren zum Durchführen von chemischen Reaktionen in einer elektrochemischen Zelle A method for carrying out chemical reactions in an electrochemical cell |
| 05/26/1998 | US5755951 Regeneration of plastic diaphragm |
| 05/20/1998 | CN1038407C Process for the removal of sulphate ions present in saline solutions |
| 05/19/1998 | US5752282 Spa fitting |
| 05/14/1998 | DE19645693C1 Controlling introduction of replacement especially water to electrolytic process |
| 04/29/1998 | EP0717791B1 Electrolytic cell with multiple partial electrodes and at least one antipolar counter-electrode |
| 04/16/1998 | WO1998015675A1 Electrolysis apparatus for producing halogen gases |
| 04/16/1998 | DE19641125A1 Elektrolyseapparat zur Herstellung von Halogengasen Electrolysis apparatus for producing halogen gases |
| 04/14/1998 | CA2023733C Chlorine dioxide generation from chloric acid |
| 04/08/1998 | EP0834949A2 Laminated structures of sintered ceramic material, electrochemical cells, filters and process for producing such sintered laminated structures |
| 04/08/1998 | EP0834947A1 Method for excluding a malfunctioning elementary cell in a membrane electrolyzer or fuel cell generator |
| 04/07/1998 | US5736016 Electrolytic cell for producing a mixed oxidant gas |
| 04/03/1998 | CA2214926A1 Method for excluding a malfunctioning elementary cell in a membrane electrolyzer or electrochemical generator |
| 04/02/1998 | DE19710793C1 Electrolysis, especially alkali chloride electrolysis |
| 04/02/1998 | DE19637656A1 Electrolysis device, e.g. a solar powered device |
| 03/31/1998 | US5733422 High-pressure gas producing electrolysis tank |
| 03/31/1998 | US5733421 Hydrogen-oxygen fuel cell |
| 03/26/1998 | WO1998000582A3 System and process for producing hydrogen gas in an electrochemical cell and fuel cell powered by the hydrogen gas |
| 03/25/1998 | CN2276943Y Cut-off level automatic controlling device for salt water of electrolytic bath |
| 03/04/1998 | EP0826077A1 Electrode, electrochemical cell and electrochemical processes |
| 02/17/1998 | US5718984 Method of recovering electrolyte membrane from fuel cell and apparatus for the same |
| 02/17/1998 | US5718819 Process and electrolyzer for the electrolysis of a fluid electrolyte |
| 01/27/1998 | US5711865 Electrolytic gas producer method and apparatus |
| 01/21/1998 | CN1170779A Apparatus for producing hydrogen and oxygen |
| 01/13/1998 | US5707499 Storage-stable, fluid dispensing device using a hydrogen gas generator |
| 01/08/1998 | WO1998000584A1 Electrochemical cell having split fluid and current feed |
| 01/08/1998 | WO1998000582A2 System and process for producing hydrogen gas in an electrochemical cell and fuel cell powered by the hydrogen gas |
| 01/06/1998 | US5705051 Electrochemical process |
| 01/06/1998 | CA2039881C Purification of chlor-alkali membrane cell brine |
| 12/30/1997 | US5702585 Using alkali (bi)sulfates, (bi)sulfites and/or (bi)carbonates fed to a decomposition tank, then passing electric current between anode and cathode |
| 12/30/1997 | CA2041914C Process for the recovery of sulphate |
| 12/29/1997 | EP0755362A4 Electrolytic water treatment |
| 12/28/1997 | CA2180034A1 Method of producing an alkali metal hydroxide by electrolysis of sodium sulphate |
| 12/23/1997 | US5699939 Metering of liquids |
| 12/18/1997 | WO1997047787A1 Electrochemical half-cell with pressure compensation |
| 12/18/1997 | CA2257315A1 Electrochemical half-cell with pressure compensation |
| 12/02/1997 | US5693213 Electrolytic process of salt water |
| 12/02/1997 | US5693202 Pressure-compensated electrochemical cell |
| 11/25/1997 | US5690797 Electrolysis of water |
| 11/18/1997 | US5688387 Turbo electrochemical system |
| 11/18/1997 | US5688384 Electrolysis |
| 11/12/1997 | EP0806498A1 An apparatus for producing hydrogen and oxygen |
| 10/29/1997 | EP0725845A4 Electrolytic cell for producing a mixed oxidant gas |
| 10/29/1997 | EP0694087B1 Method of preparing alkali-metal peroxide solutions |
| 10/28/1997 | US5681447 By adsorption |
| 10/28/1997 | US5681446 Impurity removal for sodium chlorate |
| 10/16/1997 | WO1997037767A1 Apportioning system |
| 10/16/1997 | CA2251179A1 Apportioning system |
| 09/09/1997 | US5665211 Electrolysis apparatus for producing hydrogen |
| 08/26/1997 | US5660713 Jumper switch means for electrolyzers electrically connected in series |
| 07/31/1997 | WO1997027347A1 System and electrolytic cell having pure metal catalytic elements for heating a liquid electrolyte |
| 07/31/1997 | DE19622744C1 Pressure-compensated electrochemical half-cell |
| 07/29/1997 | US5651875 Process for producing alkali metal hydroxide |
| 07/23/1997 | EP0538474B1 Electrolytic vessel for producing hypochlorite |
| 07/22/1997 | US5650058 Electrolytic cell and capillary gap electrode for gas-developing or gas-consuming electrolytic reactions and electrolysis process therefor |
| 07/17/1997 | DE19607235C1 Electrolysis unit |
| 06/19/1997 | WO1997021627A1 Process for preparing siliceous alkali salt solutions |
| 06/19/1997 | DE19546135C1 Verfahren zur Aufbereitung von kieselsäurehaltigen Alkalisalzlösungen, insbesondere für die Chlor-Alkali-Elektrolyse A process for the preparation of silica-containing alkali metal salt solutions, in particular for chlor-alkali electrolysis |
| 06/18/1997 | CN1152341A Electrolytic cell for producing mixed oxidant gas |
| 05/28/1997 | DE19622693C1 Determining protective potential for electrolysis plants |
| 05/27/1997 | US5632871 Conductive particles combine with hydrogen to form metallic hydride |
| 05/20/1997 | US5630930 Electrolytic cells with amphoteric surfactants and aluminum compounds with porosity modifiers |
| 05/13/1997 | US5628885 Extraction installation for hydrogen and oxygen |
| 05/01/1997 | WO1997015356A1 A method of oxidation |
| 04/16/1997 | EP0656959B1 Electrolysis apparatus for producing hydrogen |
| 04/16/1997 | CN1147802A Electrolytic water treatment |
| 04/16/1997 | CN1147566A Regeneration of plastic diaphragms |
| 04/10/1997 | WO1997013007A1 Storage-stable, fluid dispensing device using a hydrogen gas generator |
| 03/26/1997 | EP0764727A1 Process and apparatus for electrolysis |
| 03/25/1997 | US5614069 Apparatus for producing electrolytically and collecting separately two gases |
| 03/19/1997 | EP0659218B1 Procedure for controlling pressure in electrolysis apparatus and electrolysis apparatus for producing hydrogen and oxygen |
| 03/04/1997 | US5607562 Electrolytic ozone generator |
| 02/13/1997 | WO1997005300A1 Method for starting a chlor-alkali diaphragm cell |
| 01/29/1997 | EP0755362A1 Electrolytic water treatment |
| 01/29/1997 | CN1141656A Electrochemical conversion of anhydrous hydrogen halide to halogen gas using a cation-transporting membrane |
| 01/21/1997 | US5595645 Electrolytic oxidation process |
| 01/21/1997 | US5595641 Apparatus and process for electrochemically decomposing salt solutions to form the relevant base and acid |
| 12/11/1996 | CN1137808A Fluorine cell |
| 12/04/1996 | EP0745701A1 Process for regenerating synthetic diaphragms |
| 12/03/1996 | US5580437 Feeding anhydrous hydrogen halide to inlet of electrochemical cell including cation transporting membrane, cathode, anode consisting of oxide of tin, germanium or lead or mixtures to produce dry halogen gas, hydrogen |
| 11/07/1996 | WO1996035004A1 Electrochemical cell having an oxide growth resistant current distributor |
| 11/07/1996 | WO1996035003A1 Electrochemical cell having a self-regulating gas diffusion layer |
| 11/07/1996 | WO1996035001A1 Electrochemical cell having a resilient flow field |
| 11/07/1996 | WO1996035000A1 Electrochemical cell having a mass flow field made of glassy carbon |
| 11/07/1996 | WO1996034999A1 Bromide removal |
| 11/07/1996 | WO1996034997A1 Electrochemical cell and process for splitting a sulfate solution and producing a hydroxide solution, sulfuric acid and a halogen gas |
| 11/07/1996 | WO1996034996A1 Electrode, electrochemical cell and electrochemical processes |
| 11/06/1996 | EP0591350B1 Apparatus and process for electrochemically decomposing salt solutions to form the relevant base and acid |
| 10/23/1996 | CN1033080C Method of purifying alkali metals chlorides aqueous solution by removing ammonium and iodine |
| 10/22/1996 | US5567283 Caustic concentration regulator for chlorine generators |
| 10/16/1996 | CN1133355A Pressure compensation type electrolytic bath |
| 10/08/1996 | CA1338634C Cell and method of operating a liquid-gas electrochemical cell |
| 10/03/1996 | WO1996030307A1 Spa halogen generator |
| 09/26/1996 | WO1996008589A3 Fluorine cell |
| 09/25/1996 | EP0587703B1 Electrolysis cell for gas-emitting or gas-dissipating electrolytic processes and process for running the electrolysis cell |
| 09/11/1996 | EP0730676A1 Anode useful for electrochemical conversion of anhydrous hydrogen halide to halogen gas |
| 09/11/1996 | EP0730675A1 Electrochemical conversion of anhydrous hydrogen halide to halogen gas using a cation-transporting membrane |
| 08/28/1996 | EP0728228A1 Fluorine cell |
| 08/21/1996 | CN1129261A Split circulation hydrolytic hydrogen-making technology and equipment thereof |