US PATENT SUBCLASS 75 / 701
.~.~.~.~.~.~ Adding solid

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}
693  DF  .~.~.~.~ Lead(Pb) {3}
697  DF  .~.~.~.~.~ Treating molten Lead(Pb) {3}
701.~.~.~.~.~.~ Adding solid {1}
702  DF  .~.~.~.~.~.~.~> Containing free metal

DEFINITION

Classification: 75/701

Adding solid:

(under subclass 697) Process in which a solid is added to molten metal that contains over 50 percent by weight Lead (Pb).