US PATENT SUBCLASS 568 / 687
.~.~.~.~ Carbon to carbon unsaturation 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}
671  DF  .~.~.~ Acyclic {7}
687.~.~.~.~ Carbon to carbon unsaturation containing {5}
688  DF  .~.~.~.~.~> Preparing by reacting an acyclic acetylenically unsaturated compound and an organic hydroxy containing compound (H of -OH may be replaced by a Group IA or IIA light metal)
689  DF  .~.~.~.~.~> Preparing by reacting an acyclic ethylenically unsaturated compound and an organic hydroxy containing compound (H of -OH may be replaced by a Group IA or IIA light metal) {1}
691  DF  .~.~.~.~.~> Preparing from an acetal or ketal
692  DF  .~.~.~.~.~> Preparing by dehydrohalogenation
693  DF  .~.~.~.~.~> Purification or recovery


DEFINITION

Classification: 568/687

Unsaturated:

(under subclass 671) Compounds which are acetylenically or ethylenically unsaturated.