US PATENT SUBCLASS 568 / 579
.~.~ Ethers


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.~.~ Ethers {11}
580  DF  .~.~.~> With preservative or stabilizer {1}
583  DF  .~.~.~> Nitrogen containing {2}
591  DF  .~.~.~> Plural oxygens bonded directly to the same carbon (e.g., acetals, ketals, orthoesters, orthocarbonates, etc.) {2}
606  DF  .~.~.~> Plural oxyalkylene groups bonded directly to each other {3}
626  DF  .~.~.~> Benzene ring containing {7}
664  DF  .~.~.~> Plural alicyclic rings containing {1}
666  DF  .~.~.~> Alicyclic terpenic wherein the number of carbons is a multiple of five
667  DF  .~.~.~> Unsaturated alicyclic ring containing {1}
669  DF  .~.~.~> Alicyclic ring and halogen containing
670  DF  .~.~.~> Alicyclic ring and polyoxy containing
671  DF  .~.~.~> Acyclic {7}


DEFINITION

Classification: 568/579

Ether containing:

(under subclass 300) Compounds which contain an oxygen bonded to two carbons of discrete organic radicals and having the type formula R-O-R.

SEE OR SEARCH THIS CLASS, SUBCLASS:

38, for thioethers.