US PATENT SUBCLASS 568 / 593
.~.~.~.~.~ Plural oxyalkylene groups bonded directly to each other

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}
592  DF  .~.~.~.~ Benzene ring containing {1}
593.~.~.~.~.~ Plural oxyalkylene groups bonded directly to each other

DEFINITION

Classification: 568/593

Plural oxyalkylene groups bonded directly to each other:

(under subclass 592) Compounds which contain two or more successive oxyalkylene groups.(1) Note. An example of a compound provided for herein is: [figure]