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Class Information
Number: 75/674
Name: Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures > Processes > Producing or treating free metal > At 300 degrees c or greater (e.g., pyrometallurgy, etc.) > Nonferrous > Aluminum(al) > Reduction > Carbothermic
Description: Process in which an Aluminum (Al) compound is reduced in the presence of a carbonaceous material, Carbon (C) or carbide.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6849101 |
Method using selected carbons to react with Al2O and Al vapors in the carbothermic production of aluminum |
Feb. 1, 2005 |
| 6827759 |
Method for reducing the oxygen and oxide content in cobalt to produce cobalt sputtering targets |
Dec. 7, 2004 |
| 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 |
| 6086655 |
Production of metal such as aluminum, magnesium, silicon from metal oxide compounds |
Jul. 11, 2000 |
| 5316565 |
Carbothermic reduction product gas treatment |
May. 31, 1994 |
| 5286274 |
Method for treatment of potlining residue from primary aluminium smelters |
Feb. 15, 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 |
| 4765831 |
Process for production of alkaline earth metal by carbothermic production of alkaline earth metal aluminide and stripping of alkaline earth metal from alkaline earth metal aluminide with nitro |
Aug. 23, 1988 |
| 4735654 |
Process for reduction of metal compounds by reaction with alkaline earth metal aluminide |
Apr. 5, 1988 |
| 4734130 |
Method of producing rapidly solidified aluminum-transition metal-silicon alloys |
Mar. 29, 1988 |
| 4681626 |
Method of refining aluminum |
Jul. 21, 1987 |
| 4536212 |
Production of a purified aluminum monochloride from alumina, bauxites and clays and the subsequent production of aluminum metal |
Aug. 20, 1985 |
| 4533386 |
Process for producing aluminum |
Aug. 6, 1985 |
| 4491472 |
Carbothermic reduction and prereduced charge for producing aluminum-silicon alloys |
Jan. 1, 1985 |
| 4445934 |
Method of manufacturing aluminum by using blast furnace |
May. 1, 1984 |
| 4430120 |
Process for the manufacture of pure metallic aluminum from aluminum ores and other aluminum-bearing materials |
Feb. 7, 1984 |
| 4419126 |
Aluminum purification system |
Dec. 6, 1983 |
| 4394167 |
Method of carbothermically producing aluminum |
Jul. 19, 1983 |
| 4388107 |
Minimum-energy process for carbothermic reduction of alumina |
Jun. 14, 1983 |
| 4324585 |
Process for manufacture of aluminum |
Apr. 13, 1982 |
| 4299619 |
Energy efficient production of aluminum by carbothermic reduction of alumina |
Nov. 10, 1981 |
| 4265716 |
Method of winning aluminum metal from aluminous ore |
May. 5, 1981 |
| 4261736 |
Carbothermic production of aluminium |
Apr. 14, 1981 |
| 4226618 |
Carbothermic production of aluminium |
Oct. 7, 1980 |
| 4224054 |
Process for the production of aluminium |
Sep. 23, 1980 |
| 4224059 |
Carbothermic production of aluminium |
Sep. 23, 1980 |
| 4216010 |
Aluminum purification system |
Aug. 5, 1980 |
| 4053303 |
Method of carbothermically producing aluminum-silicon alloys |
Oct. 11, 1977 |
| 4049425 |
Process for the manufacture of aluminum |
Sep. 20, 1977 |
| 4046558 |
Method for the production of aluminum-silicon alloys |
Sep. 6, 1977 |
| 3975187 |
Treatment of carbothermically produced aluminum |
Aug. 17, 1976 |
| 3971653 |
Carbothermic production of aluminum |
Jul. 27, 1976 |
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