| Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924) |
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| 06/09/1982 | EP0053565A1 Apparatus and process for feeding TiCl4 to electrolysis cells used for the manufacture of titanium |
| 06/09/1982 | EP0053564A1 Process for monitoring the diaphragm permeability during the electrolytic preparation of polyvalent metals, and electrolysis cell for carrying out this process |
| 06/08/1982 | US4333813 Composite tiles bonded to graphite layer |
| 06/08/1982 | US4333803 Method and apparatus for controlling the heat balance in aluminum reduction cells |
| 06/08/1982 | CA1125233A1 Pneumatic anode positioning system |
| 06/08/1982 | CA1125232A1 Covering for a cell for fused salt electrolysis |
| 06/08/1982 | CA1125226A1 Method for compensating the magnetic field induced by the neighbouring row in a series of high intensity electrolysis tanks |
| 06/01/1982 | US4332660 Storage bunker device for feeding electrolytic cell |
| 05/26/1982 | EP0052577A1 Anchorage for a cathode bar |
| 05/26/1982 | EP0052468A1 Anode for molten salt electrolysis, method for the preparation thereof and electrolytic process using it |
| 05/25/1982 | CA1124210A1 Sintered electrodes with electrocatalytic coating |
| 05/25/1982 | CA1124044A1 Apparatus for compacting carbonated pastes in metallurgical vessel linings |
| 05/18/1982 | CA1123786A1 Electrolytic reduction cell with compensating components in its magnetic field |
| 05/18/1982 | CA1123779A1 Fusion electrolysis of anhydrous melt of chlorides of magnesium, sodium and potassium |
| 05/11/1982 | CA1123380A1 Absorption of magnetic field lines in electrolytic reduction cells |
| 05/11/1982 | CA1123379A1 Protective electrode sleeve |
| 05/05/1982 | EP0050681A1 Electrode for igneous electrolysis |
| 05/05/1982 | EP0050680A1 Electrode for igneous electrolysis |
| 05/05/1982 | EP0050679A1 Electrode for igneous electrolysis |
| 05/04/1982 | US4328085 For point feeding alumina |
| 04/27/1982 | US4326939 Anode support system for a molten salt electrolytic cell |
| 04/27/1982 | CA1122563A1 Method for electrolyzing molten metal chlorides |
| 04/20/1982 | CA1122158A1 Metal electrowinning feed cathode |
| 04/14/1982 | EP0049600A1 Electrolytic refining of molten metal |
| 04/13/1982 | US4324624 Improved ratio of current to voltage for production of given amount of metal |
| 04/01/1982 | WO1982001018A1 Titanium diboride-graphite composites |
| 03/30/1982 | US4322282 Tank for an electrolytic cell |
| 03/30/1982 | US4322270 Process for depleting an impurity by electrolysis and recovering electrical energy from its decomposition products |
| 03/24/1982 | EP0048215A1 Process and device for the elimination of an anode effect occurring during aluminium electrolysis |
| 03/23/1982 | US4321457 Method and device for the burning of an artificial carbon body, especially of an anode for the aluminum fusion electrolysis |
| 03/23/1982 | US4321115 Method and device for providing a continuous measured supply of alumina to an electrolytic cell |
| 03/23/1982 | CA1120422A1 Process for reducing magnetic disturbances in high intensity electrolytic cells |
| 03/16/1982 | CA1120000A1 Method of electrowinning titanium |
| 03/10/1982 | EP0047227A2 Device for the regulation of the heat flow of an aluminium fusion electrolysis cell, and method of operating this cell |
| 03/02/1982 | US4317595 Chisel for a crust breaking facility |
| 02/23/1982 | US4316788 Arrangement for compensating detrimental magnetic influence between two or more rows of longitudinally oriented electrolytic reduction cells, for aluminum |
| 02/02/1982 | US4313811 For producing aluminum |
| 02/02/1982 | CA1117468A1 In situ electrolytic production of solid particles for fused salt deposition |
| 01/27/1982 | EP0044794A1 Process and apparatus for accurately regulating the feeding rate and the alumina content of an igneous electrolysis, and use thereof in the production of aluminium |
| 01/12/1982 | CA1116231A1 Electrochemical device with solid separator and solid electrolyte |
| 12/30/1981 | EP0042815A1 Bus-bar arrangement for electrolytic cells |
| 12/30/1981 | EP0042658A2 Aluminum reduction cell electrode |
| 12/30/1981 | EP0042504A1 Apparatus and method for the electroplating of aluminium |
| 12/30/1981 | EP0042503A1 Apparatus for the electroplating of aluminium |
| 12/29/1981 | US4308116 Method and electrolyzer for production of magnesium |
| 12/29/1981 | US4308115 Electrolysis |
| 12/29/1981 | US4308114 Electrolytic production of aluminum using a composite cathode |
| 12/29/1981 | US4308113 Process for producing aluminum using graphite electrodes having reduced wear rates |
| 12/22/1981 | US4307048 Method for lining an aluminum electrolytic cell |
| 12/22/1981 | US4306948 By addition of sodium sulfate, calcium sulfate or barium sulfate |
| 12/22/1981 | CA1114769A1 Process for electrolytically producing aluminum |
| 12/15/1981 | CA1114328A1 Process and device for the production of aluminium by the electrolysis of a molten charge |
| 12/15/1981 | CA1114327A1 Packed bed electrorefining and electrolysis |
| 12/02/1981 | EP0041045A1 Cathode for molten-salt electrolysis cell |
| 12/01/1981 | CA1113428A1 Device for reducing magnetic disturbances in series of electrolytic cells at very high intensity |
| 12/01/1981 | CA1113427A1 Silicon carbide-valve metal borides-carbon electrodes |
| 11/24/1981 | US4302302 Method of feeding alumina to an aluminium electrolytic cell and apparatus therefor |
| 11/18/1981 | EP0039873A2 Method of producing metals and semimetals by cathodic dissolution of their compounds in electrolytic cells, and metals and metalloids produced |
| 11/17/1981 | US4301387 Protection of carbon articles |
| 11/17/1981 | CA1112605A1 Apparatus for electrowinning multivalent metals |
| 11/10/1981 | US4299683 Apparatus and method for efficient transfer of powdered ore |
| 11/03/1981 | US4298437 Method for producing magnesium metal from molten salt |
| 10/27/1981 | US4297180 Electrolytic production of metal |
| 10/27/1981 | CA1111376A1 Electrolytic reduction cells |
| 10/27/1981 | CA1111375A1 Method of changing electrodes in a reduction cell |
| 10/13/1981 | US4294682 Data acquisition systems |
| 09/29/1981 | US4292345 Impregnating with phosphate |
| 09/29/1981 | CA1109827A1 Anode paste filling apparatus for an aluminum electrolytic cell |
| 09/29/1981 | CA1109824A1 Method of controlling feed of alumina to an aluminum electrolytic cell |
| 09/29/1981 | CA1109823A1 Molten salt bath circulation patterns in electrolysis |
| 09/22/1981 | US4290874 Gasket for sealing joints in carbonaceous elements in electrolysis cell |
| 09/08/1981 | US4288353 Carbon bearing contact paste |
| 09/01/1981 | CA1108092A1 Aluminum electrolytic cell |
| 08/25/1981 | US4285785 Electrolysis using a bed of electroconductive pepples |
| 08/19/1981 | EP0034117A2 Asymmetrical busbar system for electrolysis cells |
| 08/18/1981 | CA1107237A1 Replaceable cathode unit suitable as module for building up of stable, non-deformable cathode systems in electrolyzers for the production of magnesium, as well as electrolyzer with cathode units incorporated |
| 08/18/1981 | CA1107229A1 Addition of oxide or fluoride to fused electrolyte containing titanium chloride |
| 08/12/1981 | EP0033714A2 Busbar system for electrolysis cells |
| 08/12/1981 | EP0033630A1 Electrolytic cell for electrowinning aluminium from fused salts |
| 08/11/1981 | US4283148 Apparatus and method for solid particle bulk density measurements |
| 08/06/1981 | WO1981002170A1 Packed cathode bed for electrowinning metals from fused salts |
| 08/04/1981 | CA1106309A1 Production of metallic lead |
| 07/23/1981 | WO1981002027A1 Cell with cermet anode for fused salt electrolysis |
| 07/21/1981 | CA1105500A1 Refractory for aluminum-melting furnaces |
| 07/07/1981 | CA1104519A1 Electrodeposition process |
| 07/01/1981 | EP0031307A1 Device for conducting the current between electrolysis cells |
| 06/30/1981 | US4276145 Electrolytic anolyte dehydration of castner cells |
| 06/25/1981 | WO1981001717A1 Ceramic oxide electrodes for molten salt electrolysis |
| 06/24/1981 | EP0030834A2 Ceramic oxide electrodes, their method of manufacture and a cell and processes for molten salt electrolysis using such electrodes |
| 06/23/1981 | CA1103613A1 Aluminum purification |
| 06/23/1981 | CA1103612A1 Process for producing aluminum |
| 06/23/1981 | CA1103611A2 Electrolytic production of metal with grate provided in solvent melt |
| 06/16/1981 | US4273627 Electrolytically transported from alloy melt, removing magnesium with carbon, fractional crystallization |
| 06/10/1981 | EP0030212A1 Anode supporting system for a fusion electrolysis cell |
| 06/03/1981 | EP0029520A1 Method for the separation of gases developed by a fusion electrolysis, and fusion electrolysis apparatus |
| 06/02/1981 | US4270993 Method of stabilizing an aluminum metal layer in an aluminum electrolytic cell |
| 06/02/1981 | CA1102274A1 Production of al-si alloys |
| 05/26/1981 | US4269673 Anode mount |
| 05/20/1981 | EP0028839A1 Process for reducing lead peroxide formation during lead electrowinning and an electrolyte for electrowinning lead |
| 05/19/1981 | CA1101364A1 Electrolytic production of magnesium from molten electrolyte containing magnesium chloride |