US PATENT SUBCLASS 568 / 843
.~.~.~.~.~.~ 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}
700  DF  .~.~ Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) {10}
840  DF  .~.~.~ Acyclic {16}
841  DF  .~.~.~.~ Halogen containing {4}
842  DF  .~.~.~.~.~ Fluorine containing {1}
843.~.~.~.~.~.~ Carbon to carbon unsaturation containing

DEFINITION

Classification: 568/843

Carbon to carbon unsaturation containing:

(under subclass 842) Compounds which include acetylenic or ethylenic unsaturation.