US PATENT SUBCLASS 75 / 605
.~.~.~.~ Alkaline earth metal, 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}
605.~.~.~.~ Alkaline earth metal, singly or in combination {3}
606  DF  .~.~.~.~.~> Reducing halide
607  DF  .~.~.~.~.~> Vaporizing or condensing {1}
609  DF  .~.~.~.~.~> Treating molten Alkaline earth metal

DEFINITION

Classification: 75/605

Alkaline earth metal, singly or in combination:

(under subclass 585) Process in which an Alkaline earth metal (i.e., Calcium (Ca), Strontium (Sr), Barium (Ba)) is produced or a metal that contains over 50 percent by weight Alkaline earth metal, singly or in combination, is treated.