| Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924) |
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| 10/24/1978 | US4121983 From metal halides in an electrolytic cell |
| 10/10/1978 | US4119505 Process and device for cleaning the butts of worn anodes from an igneous electrolysis cell |
| 10/10/1978 | US4119504 Non-wettable barrier to prevent conduction of electrical current by molten salt film |
| 10/03/1978 | US4118304 Electrolytic alumina reduction cell with heat radiation reducing means |
| 10/03/1978 | US4118292 Packed bed electrorefining and electrolysis |
| 10/03/1978 | US4118291 Method of electrowinning titanium |
| 10/03/1978 | CA1039829A1 Article exchanging apparatus |
| 09/26/1978 | US4116801 Apparatus for electrowinning multivalent metals |
| 09/19/1978 | US4115215 Aluminum purification |
| 09/19/1978 | US4115213 Of a metal or alloy from a fused salt bath |
| 09/12/1978 | US4113832 Process for the utilization of waste materials from electrolytic aluminum reduction systems |
| 09/12/1978 | US4113831 Recovery of sodium fluoride and other chemicals from spent carbon liners |
| 09/12/1978 | US4113584 Method to produce multivalent metals from fused bath and metal electrowinning feed cathode apparatus |
| 09/12/1978 | US4113582 Reduction of high valency salt to lower valency salt |
| 09/12/1978 | US4113581 Electrodeposition process |
| 09/12/1978 | CA1038136A1 Dry scrubbing tar ladened reduction cell off gases to remove fluorides |
| 09/05/1978 | US4111764 Method for feeding a subliming material into a liquid |
| 08/29/1978 | US4110179 Process and device for the production of aluminium by the electrolysis of a molten charge |
| 08/29/1978 | US4110178 Flow control baffles for molten salt electrolysis |
| 08/29/1978 | CA1037420A1 Electrodes for aluminum reduction cells |
| 08/22/1978 | US4108743 Method and apparatus for separating a metal from a salt thereof |
| 08/22/1978 | US4108741 Process for production of aluminum |
| 08/15/1978 | US4107006 Electrolysis cell |
| 07/18/1978 | US4101393 Method of cleaning filter bags in a system for effluent gas recycling and recovery from electrolytic cells for production of aluminum from aluminum chloride |
| 07/04/1978 | US4098669 Novel yttrium oxide electrodes and their uses |
| 07/04/1978 | US4098651 Continuous measurement of electrolyte parameters in a cell for the electrolysis of a molten charge |
| 06/27/1978 | US4097345 Na5 GdSi4 O 12 and related rare earth sodium ion conductors and electrolytic cells therefrom |
| 06/20/1978 | US4096045 Pbcl2, crystallization |
| 06/06/1978 | US4093524 In situ formed aluminum carbide at interface in an aluminum reduction cell |
| 05/23/1978 | US4090930 Method of and an apparatus for compensating the magnetic fields of adjacent rows of transversely arranged igneous electrolysis cells |
| 05/16/1978 | US4089770 Electrolytic cell |
| 05/16/1978 | US4089769 Packing gland for cell tapping tube |
| 05/02/1978 | US4087345 Potshell for electrolytic aluminum reduction cell |
| 05/02/1978 | US4087340 Production of metallic lead |
| 04/25/1978 | US4086156 Pitch bonded carbon electrode |
| 04/18/1978 | CA1029808A1 Continuous monitoring or the internal resistance of an electrolytic cell |
| 04/11/1978 | US4083943 Chlorination of magnesium oxide in furnace with nitride lining |
| 04/11/1978 | US4083940 Leaching with nitric and hydrochloric acid |
| 04/04/1978 | US4082629 Hydrometallurgical process for treating metal sulfides containing lead sulfide |
| 04/04/1978 | US4082628 Electrodeposition; adding oxides and/or fluorides to electrolyte |
| 02/28/1978 | US4076610 Firing bus-bar embedded in carbon or graphite block |
| 02/28/1978 | US4076602 Magnesium chloride, electrolysis |
| 02/21/1978 | US4075067 Production of aluminium |
| 02/14/1978 | US4073714 Means for cooling of self-baking anodes in aluminum electrolysis cells |
| 02/14/1978 | US4073704 Electrolytic |
| 02/14/1978 | US4073703 Electrolytic production of magnesium |
| 02/07/1978 | US4072599 Carbon electrodes having stabilized binders derived from the entire organic fraction of bituminous coal |
| 02/07/1978 | US4072597 Production of aluminum |
| 02/07/1978 | US4072354 Breaker apparatus |
| 01/31/1978 | US4071420 Cathodic surface projections toward anode |
| 01/17/1978 | US4069115 Method and arrangement for removing a gas cushion |
| 11/15/1977 | US4058448 Diaphragmless electrolyzer for producing magnesium and chlorine |
| 11/08/1977 | US4057480 Anode, ceramic oxide, recovery of aluminum from aluminum oxide |
| 11/01/1977 | US4056234 Metering device for a powdery material |
| 10/25/1977 | US4055474 Procedures and apparatus for electrolytic production of metals |
| 10/11/1977 | US4053384 Device for changing anode blocks, crust breaking and charging aluminum furnaces |
| 10/11/1977 | US4053375 Process for recovery of alumina-cryolite waste in aluminum production |
| 10/04/1977 | US4052288 Process for brasquing fused electrolysis cells |
| 09/27/1977 | US4051224 Process and apparatus for collecting the fumes given off during the production of aluminium in an electrolysis cell with a continuous anode |
| 09/20/1977 | US4049530 Electrolyzer |
| 09/20/1977 | US4049529 Producing aluminum |
| 09/20/1977 | US4049528 Method and a device for the supply of electric current to transverse igneous electrolysis tanks to minimize effects of magnetic fields |
| 09/20/1977 | US4049511 Protective material made of corundum crystals |
| 09/06/1977 | US4046650 Carbon block for cathodes of aluminum |
| 08/30/1977 | US4045309 Measuring temperature of cell lining |
| 08/30/1977 | US4045308 Aluminum halide reduction |
| 08/30/1977 | US4045307 Structure for switching electrical current and cell comprising same |
| 08/23/1977 | US4043892 Aluminum reduction cell having a lateral enclosure system |
| 08/23/1977 | US4043823 Corrosion resistance |
| 08/23/1977 | US4043750 Oxidation |
| 08/16/1977 | US4042482 Substituted lithium orthosilicates and solid electrolytes therefrom |
| 08/02/1977 | US4039419 Anode positioning device |
| 08/02/1977 | US4039401 Aluminum production method with electrodes for aluminum reduction cells |
| 07/19/1977 | US4036574 Device for the production of carbon bodies |
| 07/12/1977 | US4035251 Method and apparatus for reduction cell control |
| 07/05/1977 | US4033846 Apparatus for gas collection in aluminum smelting furnaces |
| 07/05/1977 | US4033836 Electrolytic reduction cell |
| 06/28/1977 | US4032653 Mix suitable for use in seams between carbon blocks |
| 06/28/1977 | US4032020 Article exchanging apparatus |
| 06/28/1977 | US4031615 Method of making cathodes |
| 05/24/1977 | US4025414 Device for clamping a body against downward movement |
| 05/17/1977 | US4024034 Low voltage |
| 05/03/1977 | US4021318 Electrolyzing aluminum oxide |
| 05/03/1977 | US4021317 Method of operating an electrolytic cell |
| 04/26/1977 | US4019973 Crust-breaking machine |
| 04/12/1977 | US4017569 Anode vibrator and press |
| 04/05/1977 | US4016053 Reduction of alumina |
| 04/05/1977 | US4016052 Electrodeposition process |
| 03/08/1977 | US4011146 Process for separation and recovery of metal values from sulfide ore concentrates |
| 02/22/1977 | US4009092 Substituted lithium phosphates and solid electrolytes therefrom |
| 02/15/1977 | US4008142 Apparatus for operating the furnaces of an electrolysis plant |
| 02/15/1977 | US4007533 Apparatus for stripping an anode block from an anode assembly |
| 02/01/1977 | US4006066 Method of and apparatus for the treatment of exhaust-gases in the electrolytic production of aluminum |
| 01/11/1977 | US4002551 Process and apparatus for collecting the fumes given off during the production of aluminium in an electrolysis cell with a continuous anode |
| 01/04/1977 | US4001104 Cemented collector bar assemblies for aluminum cell carbon bottom block |
| 12/14/1976 | US3997413 Purification of magnesium chloride cell bath material useful for the production of magnesium metal by electrolysis |
| 12/14/1976 | US3997295 Process for the determination of the oxide content of a molten salt charge |
| 12/07/1976 | US3996340 From silica dust, fluorspar and aluminum oxide |
| 12/07/1976 | US3996117 Process for producing aluminum |
| 11/30/1976 | US3994797 Anode jack stop limit |