US PATENT SUBCLASS 525 / 478
.~.~.~.~ Wherein one of said silicon materials contains Si-H bond

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {4}
50  DF  .~ MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS {32}
474  DF  .~.~ Solid polymer derived from silicon-containing reactant {4}
477  DF  .~.~.~ Mixed with silicon-containing reactant or polymer therefrom {1}
478.~.~.~.~ Wherein one of said silicon materials contains Si-H bond

DEFINITION

Classification: 525/478

Wherein one of said silicon materials contains Si-H bond:

(under subclass 477) Subject matter wherein at least one of

the silicon-containing materials contains Si-H bond.

(1) Note. In this subclass, the Si-H bond may be present in either the solid silicon polymer or the silicon-containing reactant or polymer.