US PATENT SUBCLASS 987 / 303
.~ Compound contains at least one atom of Cu, Zn, Ag, Cd, Au, or Hg (9/02C)

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987 /   HD   ORGANIC COMPOUNDS CONTAINING A Bi, Sb, As, OR P ATOM OR CONTAINING A METAL ATOM OF THE 6TH TO 8TH GROUP OF THE PERIODIC SYSTEM

300  DF  COMPOUND CONTAINS BOTH A PHOSPHORUS AND A METAL ATOM (9/02A) {4}
303.~ Compound contains at least one atom of Cu, Zn, Ag, Cd, Au, or Hg (9/02C)

DEFINITION

Classification: 987/303

Compound contains at least one atom of Cu, Zn, Ag, Cd, Au, or Hg (9/02C):

(under subclass 300) Subject matter wherein the metal compound contains at least one atom of Cu, Zn, Ag, Cd, Au, or Hg.