US PATENT SUBCLASS 556 / 12
.~.~.~ At least three carbons bonded directly to silicon

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}
1  DF  .~ HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.) {19}
9  DF  .~.~ Silicon containing {3}
12.~.~.~ At least three carbons bonded directly to silicon

DEFINITION

Classification: 556/12

(under subclass 9) Compounds where at least three carbons are bonded directly to the silicon.