US PATENT SUBCLASS 75 / 650
.~.~.~.~.~.~.~.~ And 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}
638  DF  .~.~.~.~ Copper(Cu) {5}
646  DF  .~.~.~.~.~ Treating molten Copper(Cu) {3}
648  DF  .~.~.~.~.~.~ Adding gas {2}
649  DF  .~.~.~.~.~.~.~ Containing gaseous Oxygen {1}
650.~.~.~.~.~.~.~.~ And adding solid

DEFINITION

Classification: 75/650

And adding solid:

(under subclass 649) Process in which a solid is added to molten metal that contains over 50 percent by weight Copper (Cu).