| Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924) |
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| 06/01/1988 | EP0269534A1 Protective coating for studs and emerging parts of prebaked anodes |
| 05/31/1988 | US4747924 Electrolytic reduction |
| 05/31/1988 | US4747732 Closed apparatus with potential fluidization for horizontally conveying powder material in a dense bed |
| 05/26/1988 | DE3638937A1 Cathode for a molten-salt electrolysis cell |
| 05/25/1988 | CN85100748B Electrolysis tank for continuous production of nd-metal and nd-fe alloy |
| 05/24/1988 | US4746363 Reaction sintered cermet |
| 05/11/1988 | EP0267054A1 Refining of lithium-containing aluminum scrap |
| 05/10/1988 | US4742994 Powered vehicle for operation of ladles, in particular for tapping aluminium |
| 05/03/1988 | US4741443 Fluidized bed for continuous separation of two mixed solid phases |
| 04/26/1988 | US4740279 Process and apparatus for producing high-purity lithium metal by fused-salt electrolysis |
| 04/26/1988 | CA1235671A1 Aluminium reduction cells |
| 04/20/1988 | EP0264337A1 Process and apparatus for forming carbon blocks by multiaxial compaction |
| 04/19/1988 | US4738753 Loading into truck, covering with protective coating, heating then removing covering |
| 04/13/1988 | CN87106621A Process and apparatus for shaping carbonaceous blocks by multiaxial compacting |
| 04/12/1988 | US4737351 Process for the recovery of tin |
| 04/12/1988 | US4737256 Laminated carbon cathode for cells for the production of aluminium by electrolytic smelting |
| 04/12/1988 | US4737254 Dense unbonded alumina compacts having gaps filled with powdered alumina; stability; chemical and wear resistant |
| 04/12/1988 | US4737253 Aluminium reduction cell |
| 04/12/1988 | US4737248 Electrolytic reduction of fluorides in molten bath with iron cathode |
| 04/12/1988 | US4737247 Hollow nonconductive positioning spacer containing heat exchanger |
| 04/12/1988 | CA1235170A1 Closed device for potential fluidization intended for thick bed horizontal transport of powdery materials |
| 04/12/1988 | CA1235001A1 Reaction sintered cermet |
| 04/05/1988 | US4735922 Porous refractory hard metal compositions and method of forming same |
| 03/30/1988 | EP0179055B1 Closed device with potential fluidization for horizontally conveying pulverulent materials in a dense bed |
| 03/29/1988 | US4734182 Concrete outer shell over insulated carbon |
| 03/29/1988 | CA1234579A1 Refractory hard metal containing plates for aluminum cell cathodes |
| 03/16/1988 | CN87106181A Method to transform the available side-inserted self-baking anode aluminium electrolytic trough into point type automatic shell-opened charging |
| 03/15/1988 | CA1234070A1 Electrowinning metal in diaphragm cell with smooth cathode |
| 03/08/1988 | US4730339 Method of calcining carbonaceous bodies, in particular electrodes, in either continuous or intermittent furnaces, and a containment structure for the implementation thereof |
| 03/08/1988 | CA1233781A1 Aluminum wettable materials |
| 03/02/1988 | EP0257710A1 Molten salt electrowinning electrode, method and cell |
| 03/02/1988 | EP0257709A1 Cerium oxycompound, stable anode for molten salt electrowinning and method of production |
| 03/02/1988 | EP0257708A1 Cermet material, cermet body and method of manufacture |
| 03/02/1988 | EP0179115B1 Method and device for the automatic oversuction on electrolysis containers for the production of aluminum |
| 02/25/1988 | WO1988001313A1 Molten salt electrowinning electrode, method and cell |
| 02/25/1988 | WO1988001312A1 Cerium oxycompound, stable anode for molten salt electrowinning and method of production |
| 02/25/1988 | WO1988001311A1 Cermet material, cermet body and method of manufacture |
| 02/24/1988 | EP0256848A1 Improvements in and relating to the suspension of anode bars in the electrolytic production of aluminium |
| 02/23/1988 | US4726892 Mixed with pulverized aluminum; prebaked |
| 02/23/1988 | CA1233012A1 Powered vehicle for operation of ladles, in particular for tapping aluminium |
| 02/16/1988 | US4724589 Vibration to shake loose deposits |
| 02/16/1988 | CA1232869A1 Electrolysis cell with feeder current over 250 000 amps for the production of aluminum according to the hall-heroult process |
| 02/16/1988 | CA1232868A1 Arrangement of busbars for electrolytic reduction cell |
| 02/16/1988 | CA1232867A1 Cell for electrolytic purification of aluminum |
| 02/16/1988 | CA1232866A1 Electrolytic reduction cells |
| 02/11/1988 | DE3625726A1 Process for producing a temperature-resistant bond between shaped carbon parts |
| 02/10/1988 | CN86209017U Hydraulic spike-extracting machine |
| 02/09/1988 | US4724055 Continuous production of lithium metal by electrolysis of lithium chloride |
| 02/09/1988 | US4724054 Process for production of aluminum and alkaline earth metal by carbothermic production of alkaline earth metal aluminide and reduction of aluminum and alkaline earth metal in electrolytic reduction cell |
| 02/09/1988 | US4723334 Dual directional carbon anode cleaning apparatus |
| 02/02/1988 | US4722775 Apparatus and method for controlling anode movement in aluminium reduction cells |
| 01/27/1988 | EP0253841A1 Process for producing transition metal powders by electrolysis in baths of molten salts. |
| 01/26/1988 | CA1231828A1 Aluminum-resistant titanium diboride articles and method of making same |
| 01/19/1988 | US4720333 Electrolysis tank superstructure with intermediate gantry, for the production of aluminium |
| 01/13/1988 | EP0252859A1 Process for controlling the pitch content of anodes to be used for the electrolytic production of aluminium |
| 01/06/1988 | CN87104371A Controlling tar content of positive electrode for aluminium electrolizing |
| 01/05/1988 | US4717692 Electrodes |
| 12/29/1987 | CA1230895A1 Process for manufacture of refractory hard metal containing plates for aluminum cell cathodes |
| 12/29/1987 | CA1230852A1 Conductor arrangement of electrolytic cells for producing aluminum |
| 12/29/1987 | CA1230844A1 Apparatus and method for electrolysis of mgc1.sub.2 |
| 12/23/1987 | EP0250340A1 Method of individually marking pre-baked anodes for the electrolytic production of aluminium |
| 12/23/1987 | EP0135535B1 Low energy aluminum reduction cell with induced bath flow |
| 12/15/1987 | US4713161 Device for connection between very high intensity electrolysis cells for the production of aluminium comprising a supply circuit and an independent circuit for correcting the magnetic field |
| 12/09/1987 | EP0248452A1 Anode hanger for fixedly holding carbon anode bodies in cells for electrolytic production of aluminium |
| 12/09/1987 | EP0248338A1 Highly pure titanium and process for producing the same |
| 12/09/1987 | EP0134797B1 Refractory hard metal containing tiles for aluminum cell cathodes |
| 12/08/1987 | CA1229997A1 Composition suitable for use as inert electrode having good electrical conductivity and mechanical properties |
| 11/26/1987 | DE3617577A1 Cathode tank of an electrolysis cell |
| 11/17/1987 | US4707239 Anode with plurality of apertures for rapid removal gases produced |
| 11/10/1987 | CA1229110A1 Enclosed potential fluidized bed conveyor and bulk conveying facility |
| 11/10/1987 | CA1229065A1 Molten salt bath for electrolytic production of aluminum |
| 11/03/1987 | CA1228834A1 Sub-cathode metal lining with deformable areas for hall-heroult electrolytic cells |
| 10/28/1987 | EP0242995A1 Process and apparatus for producing alloy containing terbium and/or gadolinium |
| 10/28/1987 | CN86107432A The composite additive containing lithium salt, magnesium salt and rare earth compd. for aluminium electrolyzation and the adding technology thereof |
| 10/27/1987 | CA1228515A1 Electropneumatic drive system for crust breaking devices and process for operating the same |
| 10/21/1987 | EP0083654B1 Refractory hard material-carbon fiber cathode coatings for aluminum reduction cells |
| 10/20/1987 | US4701249 Mobile apparatus for cleaning remnants of carbon anode blocks |
| 10/20/1987 | US4700612 Electropneumatic drive system for crust breaking devices and process for operating the same |
| 10/20/1987 | CA1228330A1 Aluminium electrolytic reduction cell linings |
| 10/13/1987 | US4699704 Alkali and alkaline earth metal chlorides |
| 10/13/1987 | CA1228051A1 Metal production by electrolysis of a molten electrolyte |
| 10/06/1987 | US4698319 Densified composite containing one or more interwoven matrix compositions |
| 09/30/1987 | EP0144371B1 Cathode bar comprising a metal sole for hall-heroult electrolysis tanks |
| 09/30/1987 | EP0128165B1 Refractory products consisting of grains bound by carbonaceous rests and powdery metal silicon, and manufacturing method thereof |
| 09/29/1987 | US4696730 Circuit for the electrical connection of rows of electrolysis cells for the production of aluminum at very high current |
| 09/29/1987 | CA1227503A1 Carbon paste and process for its manufacture |
| 09/29/1987 | CA1227450A1 Electrolytic treatment of strip using closed channel slit nozzles in narrow treating space |
| 09/29/1987 | CA1227306A1 Method for continuous production of elongated carbon bodies |
| 09/16/1987 | EP0236320A1 A particulate solid feeding device |
| 09/08/1987 | US4692068 Apparatus for distribution at a regulated rate of a fluidizable powdery material |
| 09/02/1987 | EP0234140A1 Cleaning device for anode holes used in the aluminium industry |
| 09/01/1987 | CA1226151A1 Cermets and their manufacture |
| 08/25/1987 | US4689077 Borides, carbides, nitrides or silicides of a transition metal with second metal and the oxide of that metal |
| 08/18/1987 | US4687566 Enclosed by carbon blocks |
| 08/11/1987 | US4686025 Apparatus for the production of a metal by electrolyzing halides in a molten salt bath, by a simultaneous continuous double deposit |
| 08/05/1987 | CN86100333A Neodymium chloride electrolytic and vacuum distillating method to manufacture metallic neodymium |
| 08/04/1987 | US4684448 Process of producing neodymium-iron alloy |
| 07/29/1987 | EP0230171A1 Process and apparatus for the continuous manufacture of lithium by electrolysis of lithium chloride |
| 07/28/1987 | US4683047 Busbar arrangement for aluminium electrolytic cells |
| 07/28/1987 | US4683046 Reduction pot for the production of aluminum |