US PATENT SUBCLASS 568 / 591
.~.~.~ Plural oxygens bonded directly to the same carbon (e.g., acetals, ketals, orthoesters, orthocarbonates, etc.)

Current as of: June, 1999
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568 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
300  DF  .~ OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) {11}
579  DF  .~.~ Ethers {11}
591.~.~.~ Plural oxygens bonded directly to the same carbon (e.g., acetals, ketals, orthoesters, orthocarbonates, etc.) {2}
592  DF  .~.~.~.~> Benzene ring containing {1}
594  DF  .~.~.~.~> Acyclic {6}

DEFINITION

Classification: 568/591

Plural oxygens bonded directly to the same carbon (e.g., acetals, ketals, orthoesters, orthocarbonates, etc.):

(under subclass 579) Compounds wherein two or more oxygens are bonded to a single carbon.

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

SEE OR SEARCH THIS CLASS, SUBCLASS:

420+, for aldehyde hydrates.