US PATENT SUBCLASS 75 / 705
.~.~.~.~ Bismuth(Bi)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
705.~.~.~.~ Bismuth(Bi)

DEFINITION

Classification: 75/705

Bismuth(Bi):

(under subclass 585) Process in which Bismuth is produced or a metal that contains over 50 percent by weight Bismuth is treated.