US PATENT SUBCLASS 75 / 665
.~.~.~.~.~.~ Vaporizing or condensing


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}
654  DF  .~.~.~.~ Zinc(Zn) {3}
663  DF  .~.~.~.~.~ Treating molten or vaporous Zinc(Zn) {2}
665.~.~.~.~.~.~ Vaporizing or condensing {2}
666  DF  .~.~.~.~.~.~.~> Condensing with Lead(Pb) coolant
667  DF  .~.~.~.~.~.~.~> Condensing with use of molten metal slinger


DEFINITION

Classification: 75/665

Vaporizing or condensing:

(under subclass 663) Process in which Zinc (Zn) is vaporized or condensed.