US PATENT SUBCLASS 528 / 30
.~.~ From silicon-containing reactant having at least one polyvalent atom other than carbon, oxygen, or nitrogen

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}
30.~.~ From silicon-containing reactant having at least one polyvalent atom other than carbon, oxygen, or nitrogen

DEFINITION

Classification: 528/30

(under subclass 10) Subject matter wherein at least one or containing reactant having a polyvalent atom which is other than carbon, oxygen, or nitrogen (e.g., sulfur, phosphorus, etc.).