US PATENT SUBCLASS 75 / 612
.~.~.~.~.~ Titanium(Ti), Zirconium(Zr), or Hafnium(Hf), singly or in combination


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.~.~.~.~.~ Titanium(Ti), Zirconium(Zr), or Hafnium(Hf), singly or in combination {2}
613  DF  .~.~.~.~.~.~> Reduction {2}
621  DF  .~.~.~.~.~.~> Treating molten Titanium(Ti), Zirconium(Zr), or Hafnium(Hf)


DEFINITION

Classification: 75/612

Titanium (Ti), Zirconium (Zr), or Hafnium (Hf), singly or in combination:

(under subclass 611) Process in which Titanium (Ti), Zirconium (Zr), or Hafnium (Hf) is produced or a metal that contains over 50 percent by weight Titanium, Zirconium, or Hafnium, singly or in combination, is treated.