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Class Information
Number: 423/442
Name: Chemistry of inorganic compounds > Carbon or compound thereof > Binary compound (e.g., carbide, etc.) > Calcium containing > By reacting carbon and inorganic calcium containing compound
Description: Processes which include the step of reacting carbon with an inorganic compound containing calcium.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7494637 |
Thermal conversion of biomass to valuable fuels, chemical feedstocks and chemicals |
Feb. 24, 2009 |
| 6042622 |
Process for crystallization of alkali metal bicarbonate salts |
Mar. 28, 2000 |
| 5898402 |
Wide aperature radio frequency data acquisition system |
Apr. 27, 1999 |
| 5451557 |
Precursor for forming metal carbide catalysts |
Sep. 19, 1995 |
| 5204071 |
Method and apparatus for producing carbide products |
Apr. 20, 1993 |
| 5171549 |
Process for decreasing the level of impurities in zirconium chloride, titanium chloride and hafnium chloride |
Dec. 15, 1992 |
| 5107517 |
Melting furnace |
Apr. 21, 1992 |
| 4752456 |
Process for preparing metal carbides and precursors thereof |
Jun. 21, 1988 |
| 4594236 |
Method of manufacturing calcium carbide from powdered lime and/or limestone |
Jun. 10, 1986 |
| 4505787 |
Process for production of a carbide by-product with microwave energy and aluminum by electrolysis |
Mar. 19, 1985 |
| 4491568 |
System for recycling fines to hollow electrode |
Jan. 1, 1985 |
| 4472367 |
Method for the carbothermic reduction of metal oxides using solar energy |
Sep. 18, 1984 |
| 4391786 |
Production of calcium carbide |
Jul. 5, 1983 |
| 4301133 |
Method for preparing a calcium carbide product |
Nov. 17, 1981 |
| 4221762 |
Apparatus for preparing carbides |
Sep. 9, 1980 |
| 4213955 |
Computerized process and apparatus for use with a submerged arc electric furnace to produce metallurgical products |
Jul. 22, 1980 |
| 4137295 |
Carbide production using molten metals as heat source |
Jan. 30, 1979 |
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