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Class Information
Number: 75/959
Name: Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures > Thermit-type reaction of solid materials only to yield molten metal
Description: Art collection of patents in which a mixture of solid materials including a reducible metal compound and a solid reducing agent are reacted so that the heat of reaction is sufficient to yield the reduced metal in molten condition.

Patents under this class:

Patent Number Title Of Patent Date Issued
6316125 Aluminum welding process and composition for use in same Nov. 13, 2001
6139658 Metal matrix alloys Oct. 31, 2000
5865872 Method of recovering metals and producing a secondary slag from base metal smelter slag Feb. 2, 1999
5753006 Method for the aluminothermal production of molten steel May. 19, 1998
5565387 Electrical heating element, related composites, and composition and method for producing such products using dieless micropyretic synthesis Oct. 15, 1996
5528012 Apparatus and method for starting a plasma arc treatment system Jun. 18, 1996
5496392 Method of recycling industrial waste Mar. 5, 1996
5422069 Master alloys for beta 21S titanium-based alloys and method of making same Jun. 6, 1995
5279643 Process for recovering valuable metals from an iron dust Jan. 18, 1994
5199973 Method of disposing of medical sharps Apr. 6, 1993
5171378 Aluminum welding process and mixture of reactants for use in such process Dec. 15, 1992
5152830 Thermite process for producing a metal or alloy Oct. 6, 1992
5092921 Method for producing high-purity metallic chromium Mar. 3, 1992
5062903 Welding process and mixture of reactants for use in such process Nov. 5, 1991
5037608 Method for making a light metal-rare earth metal alloy Aug. 6, 1991
5002730 Preparation of vanadium rich hydrogen storage alloy materials Mar. 26, 1991
4921531 Process for forming fine ceramic powders May. 1, 1990
4917726 Chromium recovery process Apr. 17, 1990
4612047 Preparations of rare earth-iron alloys by thermite reduction Sep. 16, 1986
4504310 Process for the production of high purity metals or alloys Mar. 12, 1985
RE31589 Thermal insulation molten metal May. 22, 1984
4331475 Process for aluminothermic production of chromium and chromium alloys low in nitrogen May. 25, 1982
4099959 Process for the production of aluminium Jul. 11, 1978
4047942 Thermite smelting of ferromolybdenum Sep. 13, 1977
3942976 Metal recovery process Mar. 9, 1976

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