| Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924) |
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| 04/15/1986 | US4582553 Process for manufacture of refractory hard metal containing plates for aluminum cell cathodes |
| 04/09/1986 | EP0177233A2 Process of producing neodymium-iron alloy and apparatus therefor |
| 04/09/1986 | EP0177092A2 Reaction-bonded shapes of titanium diboride |
| 04/09/1986 | EP0176876A1 Method of calcining carbonaceous bodies, in particular electrodes, in either continuous or intermittent furnaces, and a containment structure for the implementation thereof |
| 04/02/1986 | EP0176036A2 Method of producing carbonaceous bodies |
| 04/01/1986 | CA1202600A1 Aluminum reduction cell with barrier layer including glass over carbonaceous material |
| 04/01/1986 | CA1202596A1 Continuous process for the preparation of lithium through electrolysis of its chloride in a mix of melted salts, and apparatus used in said process |
| 03/18/1986 | US4576690 Separation of volatile impurities from aluminum chloride before electrolysis |
| 03/18/1986 | US4576651 Treatment of scrap lining material from aluminium reduction cells |
| 03/11/1986 | US4575407 Product and process for the activation of an electrolytic cell |
| 03/11/1986 | CA1201563A1 Method of producing carbonaceous blocks in a tunnel type furnace |
| 03/05/1986 | EP0172823A1 Manufacture of refractory hard metal containing plates for aluminum cell cathodes. |
| 03/04/1986 | US4574019 Process for attaching anode blocks to an anode suspension means |
| 02/26/1986 | EP0172170A1 Refractory hard metal containing plates for aluminum cell cathodes |
| 02/11/1986 | US4569835 Coating with antioxidizer protective powder and calcining in oxidizing atmosphere |
| 02/11/1986 | US4569733 Method of treating rock to recover metal, oxygen, and water |
| 02/04/1986 | US4568430 Process for refining scrap aluminum |
| 02/04/1986 | CA1200096A1 Device for batch feeding of a fluidizable particulate material |
| 01/22/1986 | EP0169152A1 Modular cathodic block and cathode with a low-voltage drop for Hall-Heroult electrolysis vats |
| 01/21/1986 | CA1199607A1 Nonconsumable electrode assembly |
| 01/21/1986 | CA1199606A1 Friction welded nonconsumable electrode assembly |
| 01/15/1986 | EP0167789A1 Process for the recovery of aluminium from drosses |
| 01/14/1986 | CA1199369A1 Probe for alumina concentration meter |
| 01/08/1986 | EP0167461A1 Carbonaceous anode with partially restricted studs for electrolytic aluminium production pots |
| 01/07/1986 | US4563339 Process for the preparation of magnesium chloride for use as an electrolyte in electrolytic production of magnesium metal |
| 01/07/1986 | US4563255 Electrolytic production of aluminum |
| 12/31/1985 | US4561958 Vapor barrier layer protects insulation, castable refractory and silicon carbide mortar |
| 12/24/1985 | US4560449 Metal production by electrolysis of a molten electrolyte |
| 12/24/1985 | US4560448 Aluminum wettable materials for aluminum production |
| 12/18/1985 | EP0164830A2 Reaction bonded carbide, nitride, boride, silicide or sulfide bodies |
| 12/10/1985 | US4557817 Reduced voltage electrode design |
| 12/10/1985 | CA1197664A1 Aluminum production via the chlorination of aluminum chloride hexahydrate (ach) |
| 12/04/1985 | EP0163597A1 Process for diminution of the tendency towards oxidation at increased temperatures of carbon powders or of shaped carbon articles fabricated by using the afore-mentioned carbon powder |
| 12/03/1985 | US4556468 Resisting longitudinal cracking of floor |
| 11/27/1985 | EP0162155A1 Production of titanium metal sponge and apparatus therefor |
| 11/26/1985 | CA1197074A1 Method and apparatus for cleaning waste gases from aluminum production facilities |
| 11/21/1985 | WO1985005132A1 Method and device for the automatic oversuction on electrolysis containers for the production of aluminum |
| 11/12/1985 | US4552638 Nonmetallic conductive electrode, current carrin shaft |
| 11/12/1985 | US4552637 Cell for the refining of aluminium |
| 11/12/1985 | US4552630 Ceramic oxide electrodes for molten salt electrolysis |
| 11/12/1985 | CA1196602A1 Anode superstructure for aluminium fused salt cell including insulated footbridge |
| 11/05/1985 | US4551218 Electrolytic reduction cells |
| 10/29/1985 | CA1195952A1 Scaling method and device for the elimination of electrolytic bath residue from the surface of precooked anodes |
| 10/29/1985 | CA1195950A1 Floating cathodic elements based on refractory electroconductors for the production of aluminum through electrolysis |
| 10/24/1985 | WO1985004676A1 Closed device with potential fluidization for horizontally conveying pulverulent materials in a dense bed |
| 10/22/1985 | US4548692 Reduction pot |
| 10/22/1985 | CA1195495A1 Apparatus for refining molten metal |
| 10/15/1985 | US4547272 Electrodeposition of metals from a molten electrolyte |
| 10/02/1985 | EP0156744A1 Process for winning a metal by electrolysis of molten halogenides whereby a simultaneous and continuous double disposition is taking place, and apparatus therefor |
| 10/02/1985 | EP0156668A1 Process and apparatus for the continuous manufacture of lithium |
| 10/02/1985 | EP0155958A1 Boride-alumina composite |
| 10/01/1985 | US4544641 Refractory products formed by grains bound by carbon residues and metal silicon in powder form and process for the production thereof |
| 10/01/1985 | US4544524 Process for manufacturing solid cathodes |
| 10/01/1985 | US4544472 Electrode coating and coated electrodes |
| 10/01/1985 | US4544469 Aluminum cell having aluminum wettable cathode surface |
| 10/01/1985 | US4544457 Porous, corrosion resistant sheath |
| 09/25/1985 | EP0155906A1 Process for treating aluminium scrap |
| 09/18/1985 | EP0155230A1 Carbon mass and process for its production |
| 09/17/1985 | US4541912 Cermet electrode assembly |
| 09/17/1985 | US4541907 Process for decomposing chlorinated hydrocarbon compounds |
| 09/17/1985 | CA1193573A1 Method of stably operating aluminum electrolytic cell |
| 09/10/1985 | US4540475 Electrolytic Al production with reactive sintered ceramic components of boride-oxide phases |
| 09/10/1985 | US4540474 Light level electrode setting gauge and method of use |
| 08/27/1985 | US4537671 Cathode pot of an aluminum reduction cell |
| 08/20/1985 | US4536359 Compression, extrusion, molding and baking |
| 08/20/1985 | US4536273 Diffusion barrier for aluminium electrolysis furnaces |
| 08/15/1985 | WO1985003532A1 Refractory hard metal containing plates for aluminum cell cathodes |
| 08/15/1985 | WO1985003531A1 Manufacture of refractory hard metal containing plates for aluminum cell cathodes |
| 08/13/1985 | US4534836 Use of temperature and corrosion resistant gastight materials as guard elements for the metal portion of combination electrodes in the winning of metals by molten salt electrolysis |
| 08/13/1985 | US4534835 Nitrides, borides, carbides, silicides and sulfieds |
| 08/13/1985 | US4534778 Installation for injecting a powdery material, particularly an adsorbent material, into a contact column |
| 08/13/1985 | CA1191816A1 Cathode of aluminide of groups iv a, va, or vi a for producing aluminum |
| 08/07/1985 | EP0150680A2 Process for attaching anode blocks to an anode hanging |
| 08/06/1985 | US4533452 Electrolysis tank, for the production of aluminum, having a floating conductive screen |
| 08/06/1985 | US4533442 Sequential depletion of the melt |
| 07/31/1985 | EP0150007A2 Use of magnesium spinel in light metal reduction cells |
| 07/30/1985 | US4532017 Floating cathode elements based on electrically conductive refractory material, for the production of aluminum by electrolysis |
| 07/23/1985 | CA1190892A1 Electrolysis bath with conductive floating screen for the production of aluminum |
| 07/16/1985 | US4529494 Bipolar electrode for Hall-Heroult electrolysis |
| 07/16/1985 | CA1190578A1 Electrode for arc furnaces |
| 07/16/1985 | CA1190517A1 Reduction pot for fused salt electrolytic production of aluminum and process for installing the iron cathode bars |
| 07/16/1985 | CA1190516A1 Reduction cell pot |
| 07/16/1985 | CA1190515A1 Means of anchoring a cathode bar in place |
| 07/09/1985 | US4527329 Process for the manufacture "in situ" of carbon electrodes |
| 07/02/1985 | US4526911 Refractory hard material, thermosetting resin binder, carbonaceous filler |
| 07/02/1985 | US4526669 Cathodic element comprising boride, carbide, nitride of group 4A,4B,5B,6B metal |
| 07/02/1985 | CA1189722A1 Device for measuring the bath temperature in a fused salt electrolytic cell used for the production of aluminum |
| 07/02/1985 | CA1189659A1 Composite of tib.sub.2-graphite |
| 06/25/1985 | US4525105 Device for controlled batch feeding of a fluidizible particulate material and process for its operation |
| 06/19/1985 | EP0145412A2 Aluminium reduction cells |
| 06/19/1985 | EP0145411A2 Aluminium reduction cells |
| 06/19/1985 | EP0144371A1 Cathode bar comprising a metal sole for hall-heroult electrolysis tanks. |
| 06/19/1985 | EP0033344B1 In-cell manganese ore reduction |
| 06/18/1985 | CA1189214A1 Bonding agent for refractory materials and the application of such agent |
| 06/11/1985 | CA1188653A1 Heat sheilding of prebaked anodes in electrolytic cells for the production of aluminum |
| 06/04/1985 | US4521284 Electrolytic method of producing a high purity aluminum-lithium mother alloy |
| 06/04/1985 | US4521281 Process and apparatus for continuously producing multivalent metals |
| 05/29/1985 | EP0142829A2 Method of producing a high purity aluminum-lithium mother alloy |
| 05/28/1985 | CA1187840A1 Electrode holder for use in fusion electrolysis |
| 05/22/1985 | EP0142459A1 Electrolysis vat |