| Patents for C25B 15 - Operating or servicing of cells (4,262) |
|---|
| 11/09/1982 | US4358353 Method for extending cathode life |
| 10/19/1982 | CA1133849A1 Oxygen electrode |
| 10/13/1982 | EP0062451A2 Membrane cell brine feed |
| 10/12/1982 | CA1133419A1 Electrolyte series flow in electrolytic chlor-alkali cells |
| 09/28/1982 | CA1132481A1 Process for electrolysis of sodium chloride by use of cation exchange membrane |
| 09/28/1982 | CA1132480A1 Electrolytic production of chlorine and caustic soda |
| 09/07/1982 | CA1131165A1 Process for electrodialytically regenerating an electroless plating bath by removing at least a portion of the reacted products |
| 08/31/1982 | CA1130854A1 Shunt current elimination in electrochemical devices |
| 08/17/1982 | US4344834 Apparatus for cooling and purification of exit gases from an electrolysis installation |
| 08/17/1982 | US4344833 Restrictor apparatus for electrolyte flow conduit |
| 08/03/1982 | US4342630 Brine distribution system for electrolytic cells |
| 07/28/1982 | EP0056759A2 Device for feeding and evacuating liquid electrolyte in filter-press type electrolysis cells |
| 07/13/1982 | US4339321 Filter press membrane chloroalkali cell |
| 07/13/1982 | US4339312 Continuous process for the direct conversion of potassium chloride to potassium chlorate by electrolysis |
| 07/13/1982 | CA1127594A1 Rotary electrodic treater with jet action cleaning |
| 06/22/1982 | US4336122 Cells connected in series on the current flow path and the electrolyte-gas flow path |
| 06/22/1982 | CA1126208A1 Apparatus for cleaning the bottom of electrolytic mercury cathode cells and the like |
| 06/16/1982 | EP0053808A1 Restrictor apparatus for electrolyte recirculation flow |
| 06/16/1982 | EP0053807A1 Method and apparatus of injecting replenished electrolyte fluid into an electrolytic cell |
| 06/08/1982 | US4333804 Method of preventing deterioration of palladium oxide anode |
| 06/01/1982 | CA1124676A1 Chromate removal by precipitation |
| 05/11/1982 | US4329215 Sodium hypochorite production and storage system |
| 05/11/1982 | CA1123371A1 Process for reducing losses of mercury in the alkali metal chloride electrolysis |
| 04/06/1982 | US4323442 Electrolysis installation for the production of gas |
| 04/06/1982 | US4323437 Electrolysis, hypochlorite oxidation |
| 03/30/1982 | US4322281 Method for controlling foaming within gas-liquid separation area |
| 03/30/1982 | CA1120891A1 Internal gas separation assembly for high current density electrolytic cells |
| 03/17/1982 | EP0047363A1 Continuous process for the direct conversion of potassium chloride to potassium chlorate by electrolysis |
| 03/03/1982 | EP0046603A1 An apparatus for producing chlorine by electrolysis |
| 03/02/1982 | CA1119004A1 Process for mercury removal |
| 02/23/1982 | US4316787 High voltage electrolytic cell |
| 02/10/1982 | EP0045577A2 Process for destruction of hypochlorite |
| 01/27/1982 | EP0044782A1 Process for degassing and recycling electrolyte in an electrolyser for producing gas |
| 01/26/1982 | US4312735 For electrochemical devices |
| 01/26/1982 | US4312723 Protective coating to minimize ionization of iron |
| 01/20/1982 | EP0044145A1 Process for the dehalogenation of brine |
| 01/20/1982 | EP0043945A1 Electrolytic cell and process for the electrolysis of brines |
| 01/20/1982 | EP0043871A1 Method for removing chlorate from caustic solutions with electrolytically deposited iron and process for recovering said iron from said purified solutions |
| 01/19/1982 | US4311567 Treatment of permionic membrane |
| 01/12/1982 | CA1116216A1 Vacuum switch assembly for shunting series connected electrolytic cells |
| 12/29/1981 | US4308123 Apparatus for the small-scale manufacture of chlorine and sodium hydroxide or sodium hypochlorite |
| 12/22/1981 | US4306952 For removal of deposits on a cathode by periodic reversal of polarity |
| 12/15/1981 | CA1114132A1 Process for selective removal of sodium sulfate from an aqueous slurry |
| 12/01/1981 | US4303491 Apparatus for cleaning the bottom of electrolytic mercury cathode cells |
| 11/24/1981 | US4302642 Vacuum switch assembly |
| 11/10/1981 | US4299676 Recovery of silver from photographic film |
| 10/21/1981 | EP0037880A1 Method for connecting and starting up one disconnected cell into a series of electrolytic membrane cells |
| 10/20/1981 | US4295950 Micro-porous cathode filled with sodium amalgam |
| 10/20/1981 | CA1111126A2 Apparatus for regulating anode-cathode spacing in an electrolytic cell |
| 10/13/1981 | US4294683 Production of hydrogen and oxygen from water |
| 10/13/1981 | CA1110700A1 Process to measure the distribution of the anode currents in cells for alkali metal chloride electrolysis |
| 09/15/1981 | US4289597 Process for electrodialytically regenerating an electroless plating bath by removing at least a portion of the reacted products |
| 09/15/1981 | CA1109019A1 Chlorate cell construction |
| 08/25/1981 | US4285794 Annular electrodes for shunt current elimination |
| 08/25/1981 | US4285786 Thermosensitive detector positioned where the gaseous products of hydrogen and halogen accumulate; signals |
| 08/25/1981 | CA1107677A1 Rejuvenation of the efficiency of seawater electrolysis cells by periodic removal of anodic deposits |
| 08/25/1981 | CA1107676A1 Amalgam electrolysis of crude salt containing calcium and sulphate including precipitation of glauberite |
| 08/12/1981 | EP0033586A1 Device for limiting current leakage in operation of electrolytic cell, and electrolytic cell containing the device |
| 07/29/1981 | EP0032819A2 Method of preventing deterioration of palladium oxide anode in a diaphragm type alkali metal chloride electrolytic cell |
| 07/28/1981 | CA1105876A1 Voltage reduction of membrane cell for the electrolysis of brine |
| 07/21/1981 | US4279712 Method for electrolyzing hydrochloric acid |
| 07/08/1981 | EP0031788A1 Process for the electrolysis of an aqueous alkali metal halide solution, and electrolytic cell |
| 07/07/1981 | US4277317 Plurality of electrolytic cells connected in series and having common electrolyte |
| 06/30/1981 | US4276134 Method for removing chlorate from caustic solutions with electrolytic iron |
| 06/16/1981 | US4273630 Dimensional stability of ion exchange membrane |
| 06/16/1981 | US4273626 Electrolyte series flow in electrolytic chlor-alkali cells |
| 06/16/1981 | CA1103331A1 Apparatus for and method of regulating anode-cathode spacing in an electrolytic cell |
| 06/09/1981 | US4272338 Purification, electrolysis |
| 06/03/1981 | EP0029520A1 Method for the separation of gases developed by a fusion electrolysis, and fusion electrolysis apparatus |
| 05/26/1981 | US4269675 Electrolyte series flow in electrolytic chlor-alkali cells |
| 05/12/1981 | US4267026 Resulting in the production of steam and chlorine gas, and concentration of nacl in the brine |
| 05/05/1981 | US4265721 Commercial hydrogen gas production by electrolysis of water while being subjected to microwave energy |
| 04/29/1981 | EP0027537A1 Improved method for detecting incipient short circuits in electrolytic cells |
| 04/21/1981 | US4263117 Device for the recovery of gases formed during the electrolysis of alkali metal chlorides |
| 04/14/1981 | US4261803 Electrolysis of aqueous solution of potassium chloride |
| 04/08/1981 | EP0026591A1 Control of the pH or ion concentration of an electrolyte stream |
| 03/31/1981 | US4259297 Chromate removal from concentrated chlorate solution by chemical precipitation |
| 03/18/1981 | EP0025334A1 Chromate removal from concentrated chlorate solution by chemical precipitation |
| 02/17/1981 | US4251336 Method for detecting incipient short circuits in electrolytic cells |
| 02/17/1981 | US4251335 Depressurized into a stripping column |
| 02/17/1981 | US4251334 Method and apparatus for controlled, low current start-up of one of a series of electrolytic cells |
| 02/03/1981 | CA1094979A1 Diaphragm electrolysis cell |
| 01/28/1981 | EP0023168A1 Electrolysis plant for gas production |
| 01/27/1981 | US4247375 Process of electrolyzing aqueous solution of alkali halides |
| 01/27/1981 | CA1094663A1 Automatic remote control system for mercury cells for the production of chlorine and caustic soda |
| 01/20/1981 | US4246241 Also containing sodium chloride and sodium hydroxide |
| 01/13/1981 | US4244801 Apparatus to measure the distribution of the anode currents in cells for alkali metal chloride |
| 01/07/1981 | EP0020890A1 Process for dechlorinating the anolyte of an alkali chloride electrolysis cell |
| 12/30/1980 | US4242190 Rotary electrodic treater with jet action cleaning |
| 12/30/1980 | US4242185 Process and apparatus for controlling impurities and pollution from membrane chlor-alkali cells |
| 12/30/1980 | US4242184 Membrane cell chlor-alkali process having improved overall efficiency |
| 12/30/1980 | CA1092546A1 Water decomposing apparatus |
| 12/23/1980 | US4240885 Oxidation of organics in aqueous salt solutions |
| 12/02/1980 | US4236992 For electrolyzing a chloride ion containing aqueous solution to produce chlorine and ozone |
| 12/02/1980 | US4236991 Electrochemical cells |
| 11/27/1980 | WO1980002571A1 Operation of electrolytic diaphragm cells utilizing interruptable or off-peak power |
| 11/25/1980 | US4235694 Electrolytic cells for hydrogen gas production |
| 11/25/1980 | US4235693 Electrolysis cell connected to fuel cell |
| 11/25/1980 | CA1090092A1 Purification of aqueous sodium chloride solution |
| 11/18/1980 | US4234393 Membrane process for separating contaminant anions from aqueous solutions of valuable metal anions |