US PATENT SUBCLASS 556 / 446
.~.~.~ Additional oxygen bonded directly to the silicon and to a group containing the oxygen and two carbons

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}
445  DF  .~.~ Two carbons bonded directly to the same oxygen {3}
446.~.~.~ Additional oxygen bonded directly to the silicon and to a group containing the oxygen and two carbons

DEFINITION

Classification: 556/446

(under subclass 445) Compounds wherein an additional oxygen is bonded directly both to the silicon and to the group which contains the oxygen and two carbons.

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