US PATENT SUBCLASS 75 / 614
.~.~.~.~.~.~.~ Using free metal or alloy reductant


Current as of: June, 1999
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75 /   HD   SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES

330  DF  PROCESSES {9}
392  DF  .~ Producing or treating free metal {10}
414  DF  .~.~ At 300 degrees C or greater (e.g., pyrometallurgy, etc.) {7}
585  DF  .~.~.~ Nonferrous {25}
611  DF  .~.~.~.~ Refractory metal, singly or in combination {3}
612  DF  .~.~.~.~.~ Titanium(Ti), Zirconium(Zr), or Hafnium(Hf), singly or in combination {2}
613  DF  .~.~.~.~.~.~ Reduction {2}
614.~.~.~.~.~.~.~ Using free metal or alloy reductant {1}
615  DF  .~.~.~.~.~.~.~>.~ Of Titanium(Ti), Zirconium(Zr), or Hafnium(Hf), compound containing Halogen {1}


DEFINITION

Classification: 75/614

Using free metal or alloy reductant:

(under subclass 613) Process in which the compound is reduced

by using a free metal or alloy.