US PATENT SUBCLASS 423 / 53
.~ Group VIB metal (Cr, Mo, or W)

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

1  DF  TREATING MIXTURE TO OBTAIN METAL CONTAINING COMPOUND {15}
53.~ Group VIB metal (Cr, Mo, or W) {4}
54  DF  .~.~> Ion exchanging or liquid-liquid extracting
55  DF  .~.~> Forming insoluble substance in liquid {3}
59  DF  .~.~> Volatizing {1}
61  DF  .~.~> Forming compound containing plural metals

DEFINITION

Classification: 423/53

(under subclass 1) Processes wherein the compound comprises chromium, molybdenum, or wolfram (tungsten).

SEE OR SEARCH CLASS

588, Hazardous or Toxic Waste Destruction or Containment, appropriate subclasses for the destruction or containment of hazardous or toxic waste being volatilized or containing Cr, Mo, or W.