US PATENT SUBCLASS 562 / 599
.~.~.~.~ Formation of ethylenic unsaturation

Current as of: June, 1999
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562 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
400  DF  .~ Carboxylic acids and salts thereof {14}
512  DF  .~.~ Acyclic {14}
598  DF  .~.~.~ Unsaturated {3}
599.~.~.~.~ Formation of ethylenic unsaturation

DEFINITION

Classification: 562/599

Formation of ethylenic unsaturation:

(under subclass 598) Processes wherein the acid is prepared by the introduction of a double bond.