US PATENT SUBCLASS 568 / 600
.~.~.~.~.~ At least three oxygens containing

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  DF  .~.~.~ Plural oxygens bonded directly to the same carbon (e.g., acetals, ketals, orthoesters, orthocarbonates, etc.) {2}
594  DF  .~.~.~.~ Acyclic {6}
600.~.~.~.~.~ At least three oxygens containing {2}
601  DF  .~.~.~.~.~.~> Plural oxyalkylene groups bonded directly to each other {1}
603  DF  .~.~.~.~.~.~> Plural acetal or ketal groups (e.g., tetraacetals, etc.)

DEFINITION

Classification: 568/600

At Least three oxygens containing:

(under subclass 594) Compounds which contain three or more oxygens.

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