US PATENT SUBCLASS 528 / 15
.~.~.~.~ Material contains a Group VIII metal atom

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}
10  DF  .~ FROM SILICON REACTANT HAVING AT LEAST ONE SILICON-TO-HYDROGEN OR -CARBON BOND {12}
12  DF  .~.~ Polymerizing in the pressence of a specified material other than a reactant {6}
14  DF  .~.~.~ Material is a metal-containing material {5}
15.~.~.~.~ Material contains a Group VIII metal atom

DEFINITION

Classification: 528/15

(under subclass 14) Subject matter wherein the metal atom is a Group VIII metal atom (i.e., Fe, Co, Ni, Ru, Pd, Os, Ir, Pt, Rh).