US PATENT SUBCLASS 75 / 744
.~.~.~.~.~ Noble metal recovered as free metal

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}
743  DF  .~.~.~.~ With leaching or dissolving {1}
744.~.~.~.~.~ Noble metal recovered as free metal

DEFINITION

Classification: 75/744

Noble metal recovered as free metal:

(under subclass 743) Process wherein the free metal recovered is a Noble metal (i.e., Ruthenium (Ru), Rhodium (Rh), Palladium (Pd), Osmium (Os), Iridium (Ir), Platinum (Pt), Silver (Ag), Gold (Au)).