Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924) |
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04/29/1980 | US4200513 Device for reducing magnetic disturbances in series of very high intensity electrolysis cells |
04/15/1980 | US4198282 Replaceable cathode unit suitable as a module for building up of stable, non-deformable cathode systems in electrolyzers for the production of magnesium, and an electrolyzer with cathode units incorporated therein |
04/15/1980 | CA1075638A1 Process and device for compensating the magnetic fields of adjoining lines of igneous electrolysis tanks put across |
04/02/1980 | EP0009044A1 Process for obtaining aluminium by electrolysis in a melted bath and electrolytic cell. |
04/01/1980 | US4196067 Absorption of magnetic field lines in electrolytic reduction cells |
03/25/1980 | US4194959 Improved metal pad behavior for production of aluminum |
03/25/1980 | US4194958 Arrangement for compensating for detrimental magnetic influence between two or more rows of transverse electrolytic pots or cells for producing aluminum, by electrolytic reduction |
03/25/1980 | CA1074258A1 Apparatus for stripping an anode block from an anode assembly |
03/11/1980 | US4192730 Carbonaceous luting paste and ambient temperature luting process |
03/11/1980 | US4192724 Method for electrolyzing molten metal chlorides |
03/11/1980 | CA1073400A1 Electrodeposition process |
03/05/1980 | EP0008561A1 Apparatus for compacting the carbonaceous pastes in the linings of metallurgical furnaces |
02/19/1980 | US4189368 System of busbars for aluminium-producing electrolyzers |
02/19/1980 | CA1072042A1 Method of tapping aluminum from a cell for electrolytic recovery of aluminum |
02/12/1980 | US4188279 Shaped carbon articles |
02/12/1980 | CA1071569A1 Hydrometallurgical process for treating metal sulfides containing lead sulfide |
02/05/1980 | US4187155 Molten salt electrolysis |
01/22/1980 | US4185055 Core temperature, electrodes |
01/15/1980 | CA1069674A1 Lightweight silicon oxynitride |
01/08/1980 | CA1069461A1 Electrodes for aluminum reduction cells |
01/08/1980 | CA1069315A1 Method for preparing manganese chloride and manganese by igneous electrolysis of the manganese chloride obtained |
01/01/1980 | US4181584 Resistance heaters, melting |
01/01/1980 | US4181583 Method for heating electrolytic cell |
01/01/1980 | US4181579 Sodium ion conducting sodium aluminum phosphate glasses |
12/18/1979 | US4179346 Selective use of wettable and non-wettable graphite electrodes in electrolysis cells |
12/18/1979 | US4179345 Controlled wettability graphite electrodes for selective use in electrolysis cells |
12/04/1979 | US4177128 Cathode element for use in aluminum reduction cell |
11/27/1979 | US4176037 Production of aluminum |
11/27/1979 | CA1067036A1 Process and apparatus for compensating magnetic fields in adjacent lines of cross wise placed electrolysis of fused salts cells |
11/20/1979 | US4175022 Electrolytic cell bottom barrier formed from expanded graphite |
11/20/1979 | US4174972 Nonfibrous castable refractory concrete having high deflection temperature and high compressive strength and process |
11/20/1979 | CA1066661A1 Cell for fused-salt electrolysis |
11/14/1979 | EP0005410A1 Cold forming carbonaceous paste; use and process for making linings with said paste |
11/13/1979 | CA1066228A1 Method and device for cleaning worn anode butts from igneous electrolysis tank |
11/06/1979 | US4173518 Electronic conductive oxide ceramics |
10/23/1979 | US4172023 Protective electrode sleeve |
10/23/1979 | US4172018 Electrolytic cell |
10/23/1979 | US4172017 Process for producing chlorine from ammonium chloride |
10/09/1979 | US4170533 Used for electrolysis of aluminum |
10/09/1979 | US4170526 Electroplating bath and process |
09/25/1979 | US4169034 Means of compensating the magnetic field induced by the adjacent line in series of high intensity electrolysis cells |
09/18/1979 | US4168215 Situ cleaning of electrolytic cells |
09/11/1979 | US4167468 Cobalt diaphragm |
09/11/1979 | US4167419 Mix suitable for use in seams between carbon blocks |
09/11/1979 | CA1062194A1 Recovery of zinc from zinc chloride by fused salt electrolysis |
09/04/1979 | US4166779 Electrolytic process for producing aluminium |
09/04/1979 | CA1061745A1 Method and apparatus for supplying power to igneous electrolysis baths st crosswise____________________________________________________________ |
08/28/1979 | US4166159 Process for forming fast sodium-ion transport compositions |
08/23/1979 | WO1979000606A1 Process for obtaining aluminium by electrolysis in a melted bath |
08/22/1979 | EP0003712A1 Process for reducing the magnetic perturbations in rows of high amperage electrolytic cells |
08/22/1979 | EP0003598A1 Process for the production of aluminium by electrolysis of fused salts |
08/21/1979 | US4165263 Method of preparing an electrolytic cell for operation |
08/21/1979 | US4165262 Method of electrowinning titanium |
08/14/1979 | CA1060384A1 Device for electrode clamping against supporting crosspieces in electrolytic cells for aluminium production |
07/31/1979 | CA1059466A1 Apparatus for use with electrolytic furnaces |
07/17/1979 | CA1058554A1 Process for the electrolysis of a molten charge using inconsumable anodes |
07/10/1979 | US4160809 Modified pyrohydrolysis process for spent aluminum reduction cell linings |
07/10/1979 | US4160808 Pyrohydrolysis process for spent aluminum reduction cell linings |
07/10/1979 | US4160715 Electrolytic furnace lining |
07/03/1979 | US4159928 Process for production of aluminum |
06/19/1979 | US4158701 Pyrohydrolysis system for processing fluorine-containing spent and waste materials |
06/05/1979 | US4157285 Method for preparing manganese chloride and manganese by igneous electrolysis of the manganese chloride obtained |
06/05/1979 | CA1055879A1 Electrolyzer |
06/05/1979 | CA1055687A1 Mix suitable for use in seams between carbon blocks |
05/29/1979 | US4156635 Electrolyte consisting of a mixture of two or more alkali metal halides |
05/29/1979 | CA1055424A Fume collecting process and apparatus_ |
05/29/1979 | CA1055423A Gas collecting method and device |
05/22/1979 | CA1054970A1 Treatment of aluminium reduction cell linings |
05/15/1979 | US4154661 Lowermost bipolar spacing for electrolytic cell |
05/08/1979 | CA1054238A1 Control system for alumina reduction cells |
04/24/1979 | US4151061 Aluminum electrolytic cell |
04/24/1979 | CA1052961A1 Carbon composite materials |
04/17/1979 | US4149942 Free radical oxidizers |
04/17/1979 | CA1052844A1 Apparatus for gas collection in aluminum smelting furnaces |
04/10/1979 | US4148706 Anode paste filling apparatus for an aluminum electrolytic cell |
03/27/1979 | US4146444 Method for preheating a molten salt electrolysis cell |
03/27/1979 | US4146438 Sintered electrodes with electrocatalytic coating |
03/13/1979 | CA1050474A1 Sensing and controlling resistance noise component in electrolytic reduction cell |
03/06/1979 | CA1049909A1 Process for the determination of the oxide content of a molten salt charge |
02/20/1979 | US4140595 Use of materials in molten salt electrolysis |
02/20/1979 | US4140594 Through interelectrode spaces |
02/13/1979 | US4139428 Preparation of alkali metals |
02/13/1979 | US4139427 Europium chloride enrichment process |
02/13/1979 | CA1117289B Sub-micron carbon-containing titanium boride powder and method for preparing same |
02/13/1979 | CA1048257A1 Sub-micron carbon-containing titanium boride powder and method for preparing same |
01/23/1979 | US4136003 Reduction of alumina to aluminum in presence of cryolite |
01/23/1979 | US4135994 Process for electrolytically producing aluminum |
01/09/1979 | US4133728 Electrolytic cell with switching means |
01/09/1979 | US4133727 Method for extracting heat from a chamber containing a molten salt |
01/09/1979 | US4133090 Control of binder content in carbon article manufacture |
01/02/1979 | US4132621 Method of improving the current supply of electrolysis cells aligned in a lengthwise direction |
12/26/1978 | US4131522 From melt of anhydrous chlorides of magnesium, potassium and sodium |
12/26/1978 | CA1044873A1 Process for separating hydrogen fluoride from exhaust gases formed in an electrolytic process for the production of aluminum |
12/12/1978 | CA1044175A1 Electrolytic process for the production of metals in molten halide systems |
11/28/1978 | CA1043403A1 Method of coating carbon electrodes |
11/21/1978 | US4126525 Method of controlling feed of alumina to an aluminum electrolytic cell |
11/21/1978 | US4126474 Refractory for aluminum-melting furnaces |
11/07/1978 | US4124476 Electrolytic cell for the production of aluminium |
11/07/1978 | US4124465 In fluoride melt |
11/07/1978 | US4124457 Halogenating lead sulfide ore, water washing, leaching, electrolysis |