US PATENT SUBCLASS 556 / 438
.~.~.~.~ Silicon and the carbon of the -COO- group are bonded directly to the same hydrocarbon group

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}
436  DF  .~.~ Carbonyl attached directly or indirectly to silicon by nonionic bonding {1}
437  DF  .~.~.~ The carbonyl is part of a -COO- group {4}
438.~.~.~.~ Silicon and the carbon of the -COO- group are bonded directly to the same hydrocarbon group {1}
439  DF  .~.~.~.~.~> Two silicons bonded directly to the same oxygen

DEFINITION

Classification: 556/438

(under subclass 437) Compounds in which silicon and the carbon of the -COO- group are bonded directly to the same hydrocarbon group.

(1) Note. Examples of compounds provided for herein are: [figure] [figure] [figure]