US PATENT SUBCLASS 528 / 35
.~.~.~ Silicon reactamt contains only carbon atom, only a carbon chain, or chain of carbon and oxygen atoms only between two silicon atoms


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}
33  DF  .~.~ Silicon reactant contains two or more silicon atoms {4}
35.~.~.~ Silicon reactamt contains only carbon atom, only a carbon chain, or chain of carbon and oxygen atoms only between two silicon atoms


DEFINITION

Classification: 528/35

(under subclass 33) Subject matter wherein at least two

silicon atoms of a containing compound are joined by a single carbon atom, by a carbon chain, or by a chain composed only of carbon and oxygen atoms.