US PATENT SUBCLASS 556 / 431
.~.~ Plural silicons bonded directly to the same carbon or attached by a chain consisting of carbons, which carbons may be part of a ring

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.~.~ 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}
434  DF  .~.~.~> Two silicons bonded directly to the same oxygen
435  DF  .~.~.~> Two silicons bonded directly to the same acyclic saturated hydrocarbon

DEFINITION

Classification: 556/431

(under subclass 400) Compounds in which at least two silicons are bonded directly to the same carbon or are attached by a chain consisting of carbons, which carbons may be part of a ring.

(1) Note. An example of a compound provided for herein is: [figure] [figure]