US PATENT SUBCLASS 568 / 606
.~.~.~ 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}
606.~.~.~ Plural oxyalkylene groups bonded directly to each other {3}
607  DF  .~.~.~.~> Benzene ring containing {2}
612  DF  .~.~.~.~> Polycyclo alicyclic ring system
613  DF  .~.~.~.~> Acyclic {6}

DEFINITION

Classification: 568/606

Plural oxyalkylene groups bonded directly to each other:

(under subclass 579) Compounds which contain two or more successive oxyalkylene groups.