US PATENT SUBCLASS 75 / 410
.~.~.~ Noble metal, singly or in combination

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}
407  DF  .~.~ Filtering vaporous or liquid metal {5}
410.~.~.~ Noble metal, singly or in combination

DEFINITION

Classification: 75/410

Noble metal, singly or in combination:

(under subclass 407) Process in which the vaporous or liquid contains over 50 percent by weight of a Noble metal (i.e., Ruthenium (Ru), Rhodium (Rd), Palladium (Pd), Osmium (Os), Iridium (Ir), Platinum (Pt), Silver (Ag), Gold (Au)), singly or in combination.