US PATENT SUBCLASS 556 / 481
.~.~.~.~.~ By substitution of silicon bonded hydrogen

Current as of: June, 1999
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556 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {3}
400  DF  .~ SILICON CONTAINING {19}
465  DF  .~.~ Carbon attached directly or indirectly to the silicon by nonionic bonding (e.g., silanes, etc.) {5}
466  DF  .~.~.~ Processes {8}
478  DF  .~.~.~.~ Silicon to carbon bond formed {3}
481.~.~.~.~.~ By substitution of silicon bonded hydrogen

DEFINITION

Classification: 556/481

(under subclass 478) Processes whereby the silicon to carbon bond which is formed takes the place of a silicon to hydrogen

bond.