US PATENT SUBCLASS 556 / 433
.~.~.~.~ Two silicons bonded directly to the same oxygen

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}
431  DF  .~.~ Plural silicons bonded directly to the same carbon or attached by a chain consisting of carbons, which carbons may be part of a ring {3}
432  DF  .~.~.~ Plural silicons bonded directly to the same or different benzene rings that form all or part of the chain {1}
433.~.~.~.~ Two silicons bonded directly to the same oxygen

DEFINITION

Classification: 556/433

(under subclass 432) Compounds in which two silicons are bonded directly to the same oxygen.

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