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Class Information
Number: 75/618
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 > Refractory metal, singly or in combination > Titanium(ti), zirconium(zr), or hafnium(hf), singly or in combination > Reduction > Using free metal or alloy reductant > Of titanium(ti), zirconium(zr), or hafnium(hf), compound containing halogen > Of binary halide - mx(4) > Of chloride - mc1(4) > Free metal or alloy reductant contains magnesium(mg)
Description: Process in which the compound is reduced by using a free metal or alloy reductant that contains Magnesium (Mg).

Sub-classes under this class:

Class Number Class Name Patents
75/619 Metal produced is titanium(ti) 26

Patents under this class:

Patent Number Title Of Patent Date Issued
7901483 Process for recovering titanium Mar. 8, 2011
5460642 Aerosol reduction process for metal halides Oct. 24, 1995
5308378 Surface passification of a group IVB metal sponge regulus May. 3, 1994
5205980 Sublimer assembly Apr. 27, 1993
5100465 Process for purifying zirconium sponge Mar. 31, 1992
5098471 Separation of magnesium from magnesium chloride and zirconium and/or hafnium subchlorides in the production of zirconium and/or hafnium sponge metal Mar. 24, 1992
5080859 Process for hardening sponge refractory metals and pressing to form a shape Jan. 14, 1992
5062887 Process for chloride removal from sponge metal Nov. 5, 1991
5039336 Recovery of scandium, yttrium and lanthanides from zircon sand Aug. 13, 1991
4923577 Electrochemical-metallothermic reduction of zirconium in molten salt solutions May. 8, 1990
4877445 Method for producing a metal from its halide Oct. 31, 1989
4752331 Process and apparatus for producing metal zirconium by the reduction of zirconium tetrachloride Jun. 21, 1988
4749409 Method of purifying refractory metal Jun. 7, 1988
4711664 Process for producing zirconium sponge with a very low iron content Dec. 8, 1987
4637831 Process for reduction of zirconium, hafnium or titanium using a zinc or tin seal Jan. 20, 1987
4613366 Continuous reactive metal reduction using a salt seal Sep. 23, 1986
4584018 Method for production of refractory metal from a chloride thereof Apr. 22, 1986
4556420 Process for combination metal reduction and distillation Dec. 3, 1985
4527778 Apparatus for production of refractory metal from a chloride thereof Jul. 9, 1985
4511399 Control method for large scale batch reduction of zirconium tetrachloride Apr. 16, 1985
4508322 Apparatus for preparing high melting point high toughness metals Apr. 2, 1985
4242136 Process for producing metallic zirconium Dec. 30, 1980
4105192 Process and apparatus for producing zirconium sponge Aug. 8, 1978
4032328 Metal reduction process Jun. 28, 1977
3966460 Reduction of metal halides Jun. 29, 1976
3966458 Separation of zirconium and hafnium Jun. 29, 1976

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