US PATENT SUBCLASS 528 / 14
.~.~.~ Material is a metal-containing material

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.~.~.~ Material is a metal-containing material {5}
15  DF  .~.~.~.~> Material contains a Group VIII metal atom
16  DF  .~.~.~.~> Material contains a Group IIIA metal
17  DF  .~.~.~.~> Material contains a Group IVB metal atom
18  DF  .~.~.~.~> Material contains a Group IVA metal atom
19  DF  .~.~.~.~> Material contains a heavy metal atom

DEFINITION

Classification: 528/14

(under subclass 12) Subject matter wherein the specified material is an elemental metal or metal-containing compound.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, see the Glossary for a definition of the term "metals".