US PATENT SUBCLASS 526 / 129
.~.~.~.~.~.~ Silicon present in inorganic oxygen-containing compound

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {8}
72  DF  .~ POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING {43}
89  DF  .~.~ Polymerizing in the presence of a specified material other than monomer {28}
90  DF  .~.~.~ Material contains transition metal or compound thereof {15}
126  DF  .~.~.~.~ Material contains silicon atom {2}
127  DF  .~.~.~.~.~ Contains non-transition free metal, hydride thereof, or carbon to non-transition metal atom bond {2}
129.~.~.~.~.~.~ Silicon present in inorganic oxygen-containing compound

DEFINITION

Classification: 526/129

(under subclass 127) Subject matter wherein the silicon-containing material is an inorganic oxygen-containing compound, e.g., H3[end subscrpt]Si-O-SiH3, etc.