US PATENT SUBCLASS 556 / 439
.~.~.~.~.~ Two silicons bonded directly to the same oxygen

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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  DF  .~.~.~.~ Silicon and the carbon of the -COO- group are bonded directly to the same hydrocarbon group {1}
439.~.~.~.~.~ Two silicons bonded directly to the same oxygen

DEFINITION

Classification: 556/439

(under subclass 438) Compounds in which two silicons are bonded directly to the same oxygen.

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

[figure]