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Browse by Category: Main > Chemistry
Class Information
Number: 423/149
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Iron group metal (fe, co, or ni) > Volatizing iron, nickel, or cobalt
Description: Processes including the step of causing any of the iron group metals either as an element or a compound to be changed into a gas or a vapor; see Glossary.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8268267 Process for the extraction of specific transition metals Sep. 18, 2012
8163258 Pyrometallurgical process for treating molybdenite containing lead sulfide Apr. 24, 2012
7658894 Method for increasing the chrome to iron ratio of chromites products Feb. 9, 2010
6902745 Method of manufacturing nano-sized lithium-cobalt oxides by flame spraying pyrolysis Jun. 7, 2005
6761862 Method of determining the extent to which a nickel structure has been attached by a fluorine-containing gas Jul. 13, 2004
6375908 Process and apparatus for recovery of raw materials from wastes residues Apr. 23, 2002
5787353 Process for the in situ recovery of chemical values from UF 6 gaseous diffusion process equipment Jul. 28, 1998
5298227 Process for separating vaporous heavy metal compounds from a carrier gas and apparatus for carrying out the process Mar. 29, 1994
5171549 Process for decreasing the level of impurities in zirconium chloride, titanium chloride and hafnium chloride Dec. 15, 1992
5013532 Method for recycling electric arc furnace dust May. 7, 1991
4988652 Process for recovering catalyst for use in preparing .alpha.-(4-isobutylphenyl)propionic acid Jan. 29, 1991
4842832 Ultra-fine spherical particles of metal oxide and a method for the preparation thereof Jun. 27, 1989
4699770 Production of a purified alumina-silica product and substantially pure aluminum chloride from bauxites, bauxitic clays, kaolinitic clays and mixtures thereof Oct. 13, 1987
4642133 Process for chlorinating volatilization of metals which are present in oxidic iron ores or concentrates Feb. 10, 1987
4579722 Process for treating alumina raw materials Apr. 1, 1986
4576636 Process for beneficiating oxidic ores Mar. 18, 1986
4563338 Selective chlorination method for mixtures of metallic oxides of natural or synthetic origin Jan. 7, 1986
4487683 Acetylene from coal and an electric arc Dec. 11, 1984
4425310 Production of aluminum chlorides from bauxites and clays Jan. 10, 1984
4425308 Production of a purified alumina-silica product and substantially pure aluminum chloride from bauxites and clays Jan. 10, 1984
4425309 Production of a purified alumina-silica product and substantially pure aluminum trichloride from bauxites and clays Jan. 10, 1984
4425311 Production of a purified alumina-silica product and substantially pure aluminum trichloride from bauxites and clays Jan. 10, 1984
4389391 Process for beneficiating titaniferous ores Jun. 21, 1983
4374096 Uranium ore processing Feb. 15, 1983
4363789 Alumina production via aluminum chloride oxidation Dec. 14, 1982
4355008 Chlorination process Oct. 19, 1982
4355007 Two stage chlorination process for aluminum value containing source Oct. 19, 1982
4332615 Process for beneficiating a titaniferous ore Jun. 1, 1982
4288414 Process for chlorinating clays and bauxite Sep. 8, 1981
4288411 Process for the selective production of a plurality of individual pure halides and/or halide mixtures from a mixture of solid oxides Sep. 8, 1981
4277446 Removal of iron and titanium minerals from aluminum bearing materials by chlorination and beneficiation Jul. 7, 1981
4259298 Recovery of chlorine values from iron chloride by-product in chlorination of aluminous materials Mar. 31, 1981
4252774 Method of processing aluminous ores Feb. 24, 1981
4250157 Method and apparatus for enriching the iron carbonyl content of a recycle gas stream Feb. 10, 1981
4244926 Moving bed chlorination of bauxite and ilmenite Jan. 13, 1981
4244929 Recovery of chlorine values Jan. 13, 1981
4242124 Process for the selective removal of impurities present in sulfidic complex ores, mixed ores or concentrates Dec. 30, 1980
4224137 Recovery of catalysts from the hydrogenation of coal Sep. 23, 1980
4220629 Chlorination of ores with catalyzed metal chlorides Sep. 2, 1980
4211755 Process for beneficiating titaniferous ores Jul. 8, 1980
4183899 Chlorination of ilmenite and the like Jan. 15, 1980
4172883 Method of purifying metallurgical grade silicon employing reduced presure atmospheric control Oct. 30, 1979
4159310 Process for recovering aluminum and other metal values from fly ash Jun. 26, 1979
4148815 Amino-thiol nickel and cobalt solvent extraction Apr. 10, 1979
4148813 Nickel and cobalt solvent extraction with mercaptides Apr. 10, 1979
4148816 Alkali metal mercaptide solvent extraction of cobalt, nickel Apr. 10, 1979
4097272 Winning nickel and cobalt with mercaptide extractants and carbon monoxide strip Jun. 27, 1978
4094954 Oxidation of ferric chloride from selective chlorination of titaniferous material Jun. 13, 1978
4086084 Refining of metals Apr. 25, 1978
4085189 Process for recycle beneficiation of titaniferous ores Apr. 18, 1978

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