US PATENT SUBCLASS 528 / 415
.~.~.~.~.~ Material contains at least two diverse metal atoms either in the same compound or in different compounds

Current as of: June, 1999
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528 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {23}
403  DF  .~ FROM HETEROCYCLIC REACTANT CONTAINING AS RING ATOMS OXYGEN, SELENIUM OR TELLURIUM, E.G., EPOXY, ETC. {7}
408  DF  .~.~ Polymerizing in the presence of a specified material other than a reactant {1}
409  DF  .~.~.~ Material contains a metal atom {4}
414  DF  .~.~.~.~ Material contains a Group IIB metal atom (Zn, Cd, Hg) {1}
415.~.~.~.~.~ Material contains at least two diverse metal atoms either in the same compound or in different compounds

DEFINITION

Classification: 528/415

(under subclass 414) Subject matter wherein the Group IIB metal material contains a diverse metal atom in the same compound, or wherein a Group IIB material is in admixture with a material which contains a diverse metal atom.