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Class Information
Number: 75/10.27
Name: Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures > Processes > Electrothermic processes (e.g., microwave, induction, resistance, electric arc, plasma, etc.) > Carbothermic reduction of aluminum(al) compound
Description: Processes wherein an Aluminum (Al) compound is reduced in the presence of a carbonaceous material, carbon or carbide.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7896945 Carbothermic processes Mar. 1, 2011
7854783 Carbothermic aluminum production apparatus, systems and methods Dec. 21, 2010
7824468 Carbothermic processes Nov. 2, 2010
7819937 Use of alumina-carbon agglomerates in the carbothermic production of aluminum Oct. 26, 2010
7736413 Method for using fracture resistant electrodes in a carbothermic reduction furnace Jun. 15, 2010
7648561 Process and apparatus for use in recycling composite materials Jan. 19, 2010
7556667 Low carbon aluminum production method using single furnace carbothermic reduction operated in batch mode Jul. 7, 2009
7169207 Device and method for treatment of gases Jan. 30, 2007
6849101 Method using selected carbons to react with Al2O and Al vapors in the carbothermic production of aluminum Feb. 1, 2005
6805723 Method and reactor for production of aluminum by carbothermic reduction of alumina Oct. 19, 2004
6530970 Method for recovering aluminum vapor and aluminum suboxide from off-gases during production of aluminum by carbothermic reduction of alumina Mar. 11, 2003
6475260 Carbothermic aluminum production using scrap aluminum as a coolant Nov. 5, 2002
6440193 Method and reactor for production of aluminum by carbothermic reduction of alumina Aug. 27, 2002
6361580 Method for production of aluminum Mar. 26, 2002
5961812 Process and gaseous effluent-collection device for changing spent anodes of pots for electrolysis of aluminum Oct. 5, 1999
5882374 Process for producing foundry iron with an insulated electrode Mar. 16, 1999
5316565 Carbothermic reduction product gas treatment May. 31, 1994
4812168 Process for carbothermic production of alkaline earth metal aluminide and recovery of same Mar. 14, 1989
4770696 Process for carbothermic production of calcium aluminide using calcium carbide Sep. 13, 1988
4769067 Process for production of aluminum by carbothermic production of an alkaline earth metal aluminide such as calcium aluminide and recycling of reactant byproducts Sep. 6, 1988
4769069 Process for production of aluminum by carbothermic production of alkaline earth metal aluminide and stripping of aluminum from alkaline earth metal aluminide with halide stripping agent Sep. 6, 1988
4769068 Process for production of aluminum by carbothermic production of alkaline earth metal aluminide and stripping of aluminum from alkaline earth metal aluminide with sulfurous stripping agent Sep. 6, 1988
4765832 Process for carbothermic production of calcium aluminide using slag containing calcium aluminate Aug. 23, 1988
4533386 Process for producing aluminum Aug. 6, 1985
4491471 Composite pellet for use as a carbothermic reduction feed Jan. 1, 1985
4491472 Carbothermic reduction and prereduced charge for producing aluminum-silicon alloys Jan. 1, 1985
4486229 Carbothermic reduction with parallel heat sources Dec. 4, 1984
4441920 Method for the thermal production of metals Apr. 10, 1984
4419126 Aluminum purification system Dec. 6, 1983
4409021 Slag decarbonization with a phase inversion Oct. 11, 1983
4388107 Minimum-energy process for carbothermic reduction of alumina Jun. 14, 1983
4385930 Method of producing aluminum May. 31, 1983
4334917 Carbothermic reduction furnace Jun. 15, 1982
4314846 Method for carbothermic production of aluminum Feb. 9, 1982
4299619 Energy efficient production of aluminum by carbothermic reduction of alumina Nov. 10, 1981
4261736 Carbothermic production of aluminium Apr. 14, 1981
4226618 Carbothermic production of aluminium Oct. 7, 1980
4224059 Carbothermic production of aluminium Sep. 23, 1980
4224055 Process for the production of aluminium Sep. 23, 1980
4224054 Process for the production of aluminium Sep. 23, 1980
4216010 Aluminum purification system Aug. 5, 1980
4177060 Reduction of stable oxides Dec. 4, 1979
4146389 Thermal reduction process of aluminium Mar. 27, 1979
4140523 Chemicothermal production of magnesium Feb. 20, 1979
4099959 Process for the production of aluminium Jul. 11, 1978
4072512 Charge for manufacturing aluminium-silicon alloys Feb. 7, 1978
4053303 Method of carbothermically producing aluminum-silicon alloys Oct. 11, 1977
4046558 Method for the production of aluminum-silicon alloys Sep. 6, 1977
4033757 Carbothermic reduction process Jul. 5, 1977
3975187 Treatment of carbothermically produced aluminum Aug. 17, 1976

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