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