Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924)
06/1983
06/21/1983US4389287 Withdrawal of molten alkali hydroxide through an electrode for depletion of water dissolved therein
06/14/1983CA1148201A1 Process for the manufacture "in situ" of carbon electrodes
06/14/1983CA1148115A1 Device for conducting the electric current between electrolytic cells
06/07/1983USRE31266 Apparatus for gas collection in aluminum smelting furnaces
05/1983
05/31/1983CA1147292A1 Sintered ceramic electrode containing oxides of tin and germanium
05/24/1983CA1146912A1 Pressure cylinder system for a crust breaking facility
05/24/1983CA1146904A1 Technique for automatic quenching of anode effects in aluminium reduction cells
05/17/1983US4383910 Alumina reduction cell
05/11/1983WO1983001631A1 Heat recovery in aluminium-melting works
05/10/1983CA1146121A1 Thermal shock protection for electrodes
05/03/1983US4381976 Process for the preparation of titanium by electrolysis
05/03/1983CA1145710A1 Anode clamp
04/1983
04/28/1983WO1983001465A1 Cathode of a cell for the electrolysis of a melt, for the preparation of aluminium
04/19/1983US4380492 Method of using a chisel for a crust breaking facility
04/13/1983EP0076441A2 Method and apparatus for disintegration of solidified bath material on the residues of prebaked anodes from aluminium electrolysis cells
04/12/1983CA1144521A1 Chisel alignment unit for a crust breaking facility
04/05/1983US4379033 Method of manufacturing aluminum in a Hall-Heroult cell
03/1983
03/30/1983EP0075279A1 Binder for refractory materials and application thereof
03/29/1983CA1143695A1 Method and device for the suppression of magnetic interferences in high amperage cross fitted electrolytic process furnaces
03/29/1983CA1143694A1 Method of winning aluminum metal from aluminous ore
03/23/1983EP0074567A1 Axially movable electrode holder for use in fused salt electrolysis
03/22/1983US4377463 Controlled atmosphere processing of TiB2 /carbon composites
03/22/1983US4377452 Process and apparatus for controlling the supply of alumina to a cell for the production of aluminum by electrolysis
03/22/1983CA1143327A1 Selective use of wettable and non-wettable graphite electrodes in electrolysis cells
03/22/1983CA1143326A1 Controlled wettability graphite electrodes for selective use in electrolysis cells
03/15/1983US4376690 Surface that projects into precipitated aluminum is wetted by aluminum and has good chemical resistance and electrocoductivity
03/09/1983EP0073735A2 Electrolytic pot for the production of aluminium by electrolysis in the dry way, and method of inserting the iron bars
03/09/1983EP0009044B1 Process for obtaining aluminium by electrolysis in a melted bath and electrolytic cell
03/08/1983US4376029 Boriding, baking
02/1983
02/23/1983EP0072778A1 Bus bar arrangement for electrolysis cells
02/22/1983US4374761 Inert electrode formulations
02/16/1983EP0072043A1 Electrolytic production of aluminum
02/15/1983US4374050 Inert electrode compositions
02/15/1983CA1141335A1 Storage bunker for a crust breaking facility
02/15/1983CA1141334A1 Device for servicing electrolytic cells
02/03/1983WO1983000347A1 COMPOSITE OF TiB2-GRAPHITE
02/03/1983WO1983000338A1 Refractory hard material-carbon fiber cathode coatings for aluminum reduction cells
02/03/1983WO1983000325A1 Sintered refractory hard metals
02/01/1983CA1140494A1 Cathode for a reduction pot for the electrolysis of a molten charge
01/1983
01/25/1983US4370216 Electrolytic cell and anode for molten salt electrolysis
01/20/1983WO1983000171A1 Electrolytic production of aluminum
01/20/1983WO1983000170A1 Improved process for the electrolytic reduction of metals and an improved particulate carbon electrode for the same
01/18/1983CA1139712A1 Method for lining an aluminum electrolytic cell
01/12/1983EP0069681A1 Cell for the electrolytic production of a metal from its halide
01/12/1983EP0069502A2 Improvements in electrolytic reduction cells
01/12/1983EP0069501A2 Improvements in electrolytic reduction cells
01/12/1983EP0069434A1 Apparatus for refining molten metal
01/05/1983EP0069057A1 Feeding device for discrete quantities of fluidizable bulk material and its use
01/05/1983EP0068783A2 Improvements in electrolytic reduction cells
01/05/1983EP0068782A2 Improvements in electrolytic reduction cells
12/1982
12/28/1982CA1138374A1 Production of extreme purity aluminum
12/21/1982CA1137923A1 System of current-supply buses for aluminium-producing electrolyzers
12/21/1982CA1137907A1 Process for preparing petroleum-derived binder pitch
12/14/1982CA1137446A1 Arrangement for compensating detrimental magnetic influence between two or more rows of longitudinally oriented electrolytic cells or pots for producing metal, for example aluminum, by electrolytic reduction of a melt bath
12/14/1982CA1137445A1 Cathodic current conducting elements for use in aluminum reduction cells
12/01/1982EP0065534A1 Cathode for a melted electrolyte cell for the preparation of aluminum.
11/1982
11/30/1982CA1136576A1 Electrolytic method and apparatus for producing magnesium from a salt solution containing magnesium sulphate
11/25/1982WO1982004036A1 Recovery of fluoride values from carbonaceous materials
11/23/1982US4360409 Apparatus for the galvanic deposition of aluminum
11/16/1982US4359377 Busbar arrangement for electrolytic cells
11/16/1982CA1135457A1 Carbonated paste for cold forming
11/09/1982CA1135216A1 Apparatus for electrolytic production of magnesium metal from its chloride
11/09/1982CA1135215A1 Hall cell
11/03/1982EP0020576B1 Method for lining electrolysis cells for the production of aluminium
11/02/1982US4357226 Fusion electrolysis furnace for aluminum production
11/02/1982US4357004 Apparatus for refining molten metal
11/02/1982CA1134778A1 Reduction cell hood
11/02/1982CA1134682A1 Lining method of electrolytic cells for the production of aluminum
10/1982
10/27/1982EP0063547A1 Electrolysis vat
10/26/1982CA1134321A1 Method of feeding alumina to an aluminium electrolytic cell and apparatus therefor
10/26/1982CA1134318A1 Disposing molten electrolyte adjacent aluminium oxide separator in electrochemical metal recovery from salt
10/26/1982CA1134317A1 Zinc electroplating bath
10/20/1982EP0063098A2 Apparatus for dosing fine grained fluent bulk goods
10/19/1982US4355017 Aluminum electrolytic cell cathode waste recovery
10/19/1982US4354918 Anode stud coatings for electrolytic cells
10/13/1982EP0062605A2 Device for the portion-like dosage of fluidisable bulk material
09/1982
09/22/1982EP0060791A1 Use of reinforced lead anodes for the electrolytic treatment of zinc in sulfate solution and method for their manufacture
09/15/1982EP0060048A1 Electrolytic cell for metal production
09/14/1982US4349427 Improved replaceable cathode assembly
09/14/1982US4349231 Chisel alignment unit for a crust breaking facility
09/07/1982US4347661 Process of making electric assemblies
09/07/1982CA1131386A1 Carbon bearing contact paste
09/07/1982CA1131161A1 Zinc electroplating bath including heterocyclic nitrogen compound as brightener
08/1982
08/31/1982CA1130756A1 Method for the symetrical alignment of a vertical magnetic field in igneous electrolysis piles in tranverse arrangement
08/04/1982EP0057012A2 Electrode for molten salt electrolysis
08/04/1982EP0056862A2 Arc furnace electrode
08/03/1982US4342637 Composite anode for the electrolytic deposition of aluminum
07/1982
07/28/1982EP0056708A1 Anode stud coatings for electrolytic cells
07/27/1982US4341611 Alumina reduction cell
07/22/1982WO1982002406A1 Anode stud coatings for electrolytic cells
07/13/1982US4339316 Intermediate layer for seating RHM tubes in cathode blocks
07/07/1982EP0055508A2 Reduction of reactivity in coke
07/06/1982US4338177 Electrolytic cell for the production of aluminum
07/06/1982CA1126934A1 Flue pressure control for tunnel kilns
06/1982
06/23/1982EP0054527A2 Improved electrolytic cell for magnesium chloride
06/15/1982US4335064 Concretes
06/15/1982US4334975 Having a graphite or graphite-iron composite electrode
06/10/1982WO1982001899A1 Cathode for a melted electrolyte cell for the preparation of aluminum
06/09/1982EP0053567A1 Cell for producing polyvalent metals like Zr or Hf by electrolysis of molten halogenides, and process for using this cell
06/09/1982EP0053566A1 Process for the electrolytic production of titanium