US PATENT SUBCLASS 75 / 727
.~.~.~.~.~.~ And flotation

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}
710  DF  .~.~ Below 300 degrees C {2}
711  DF  .~.~.~ Using nonmetallic material which is liquid under standard conditions (e.g., hydrometallurgy, etc.) {11}
724  DF  .~.~.~.~ Displacing by another metal (i.e., electromotive series) {4}
726  DF  .~.~.~.~.~ Copper(Cu) recovered as free metal {5}
727.~.~.~.~.~.~ And flotation

DEFINITION

Classification: 75/727

And flotation:

(under subclass 726) Process wherein flotation in liquid is involved as a means of separating solid material from other solid material or from the liquid and free copper metal is produced at any stage of the process.