US PATENT SUBCLASS 75 / 602
.~.~.~.~.~.~ Adding gas

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}
594  DF  .~.~.~.~ Magnesium(Mg) {2}
600  DF  .~.~.~.~.~ Treating molten Magnesium(Mg) {3}
602.~.~.~.~.~.~ Adding gas {1}
603  DF  .~.~.~.~.~.~.~> And solid

DEFINITION

Classification: 75/602

Adding gas:

(under subclass 600) Process in which a gas is added to molten metal that contains over 50 percent by weight Magnesium (Mg).