US PATENT SUBCLASS 423 / 604
.~.~ Group IB metal (Cu, Ag, or Au)

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

579  DF  OXYGEN OR COMPOUND THEREOF {4}
592  DF  .~ Metal containing {12}
604.~.~ Group IB metal (Cu, Ag, or Au)

DEFINITION

Classification: 423/604

(under subclass 592) Products or process in which the metal is copper, silver or gold (i.e., Group I B).