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Class Information
Number: 205/387
Name: Electrolysis: processes, compositions used therein, and methods of preparing the compositions > Electrolytic synthesis (process, composition, and method of preparing composition) > Utilizing fused bath > Single metal produced > Aluminum > Utilizing specified electrode other than consumable electrode (e.g., cylindrical, tapered, etc.) > Specified electrode composition other than consumable inorganic carbon or graphite > Nonmetal containing (e.g., metal oxide, carbide, etc.)
Description: Subject matter wherein at least one of the electrodes contains a nonmetal (e.g., metal boride, carbide, sulfide, oxide, nitride or cermet, etc.).










Patents under this class:
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Patent Number Title Of Patent Date Issued
8366891 Metallic oxygen evolving anode operating at high current density for aluminum reduction cells Feb. 5, 2013
7976688 Method for making anodes for aluminium production by fused-salt electrolysis, resulting anodes and use thereof Jul. 12, 2011
7901560 Method and a prebaked anode for aluminium production Mar. 8, 2011
7879219 Electrochemical processing of solid materials in fused salt Feb. 1, 2011
7846309 Metal electrowinning cell with electrolyte purifier Dec. 7, 2010
7846308 Non-carbon anodes Dec. 7, 2010
7811425 Non-carbon anodes with active coatings Oct. 12, 2010
7740745 Non-carbon anodes with active coatings Jun. 22, 2010
7507322 Stable anodes including iron oxide and use of such anodes in metal production cells Mar. 24, 2009
7470354 Utilisation of oxygen evolving anode for Hall-Heroult cells and design thereof Dec. 30, 2008
7425284 Inert anode for the production of aluminium by fused bath electrolysis and method of making this anode Sep. 16, 2008
7282133 Cermet inert anode assembly heat radiation shield Oct. 16, 2007
7255893 Protection of non-carbon anodes and other oxidation resistant components with iron oxide-containing coatings Aug. 14, 2007
7255894 Non-carbon anodes for aluminium electrowinning and other oxidation resistant components with slurry-applied coatings Aug. 14, 2007
7235161 Stable anodes including iron oxide and use of such anodes in metal production cells Jun. 26, 2007
6998032 Metal-based anodes for aluminium electrowinning cells Feb. 14, 2006
6913682 Cells for the electrowinning of aluminium having dimensionally stable metal-based anodes Jul. 5, 2005
6878247 Metal-based anodes for aluminium electrowinning cells Apr. 12, 2005
6866768 Electrolytic cell for production of aluminum from alumina Mar. 15, 2005
6811676 Electrolytic cell for production of aluminum from alumina Nov. 2, 2004
6656340 Aluminium production cell design Dec. 2, 2003
6638412 Prevention of dissolution of metal-based aluminium production anodes Oct. 28, 2003
6616829 Carbonaceous cathode with enhanced wettability for aluminum production Sep. 9, 2003
6585879 Aluminum electrolysis using solid cryolite/alumina crust as anode Jul. 1, 2003
6562224 Nickel-iron alloy-based anodes for aluminium electrowinning cells May. 13, 2003
6558525 Anode for use in aluminum producing electrolytic cell May. 6, 2003
6533909 Bipolar cell for the production of aluminium with carbon cathodes Mar. 18, 2003
6521115 Nickel-iron alloy-based anodes for aluminium electrowinning cells Feb. 18, 2003
6521116 Cells for the electrowinning of aluminium having dimensionally stable metal-based anodes Feb. 18, 2003
6497807 Electrolyte treatment for aluminum reduction Dec. 24, 2002
6440279 Chemical milling process for inert anodes Aug. 27, 2002
6436272 Low temperature aluminum reduction cell using hollow cathode Aug. 20, 2002
6436274 Slow consumable non-carbon metal-based anodes for aluminium production cells Aug. 20, 2002
6423195 Inert anode containing oxides of nickel, iron and zinc useful for the electrolytic production of metals Jul. 23, 2002
6423204 For cermet inert anode containing oxide and metal phases useful for the electrolytic production of metals Jul. 23, 2002
6419813 Cathode connector for aluminum low temperature smelting cell Jul. 16, 2002
6419812 Aluminum low temperature smelting cell metal collection Jul. 16, 2002
6416649 Electrolytic production of high purity aluminum using ceramic inert anodes Jul. 9, 2002
6372119 Inert anode containing oxides of nickel iron and cobalt useful for the electrolytic production of metals Apr. 16, 2002
6361681 Slurry for coating non-carbon metal-based anodes for metal production cells Mar. 26, 2002
6358393 Aluminum production cell and cathode Mar. 19, 2002
6312570 Materials for use in electrochemical smelting of metals from ore Nov. 6, 2001
6248227 Slow consumable non-carbon metal-based anodes for aluminium production cells Jun. 19, 2001
6217739 Electrolytic production of high purity aluminum using inert anodes Apr. 17, 2001
6103091 Production of bodies of refractory borides for use in aluminum electrowinning cells Aug. 15, 2000
6083362 Dimensionally stable anode for electrolysis, method for maintaining dimensions of anode during electrolysis Jul. 4, 2000
6030518 Reduced temperature aluminum production in an electrolytic cell having an inert anode Feb. 29, 2000
5865980 Electrolysis with a inert electrode containing a ferrite, copper and silver Feb. 2, 1999
5415742 Process and apparatus for low temperature electrolysis of oxides May. 16, 1995
5342491 Bonding of bodies of refractory hard materials to carbonaceous supports Aug. 30, 1994

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