US PATENT SUBCLASS 558 / 380
.~.~.~ By dehydrohalogenation

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {21}
303  DF  .~ Nitriles (i.e., compounds having cyano bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {21}
379  DF  .~.~ Processes of forming an acyclic or alicyclic carbon to carbon double bond from an existing acyclic or alicyclic carbon to carbon single bond (e.g., by dehydroacylation, etc.) {4}
380.~.~.~ By dehydrohalogenation

DEFINITION

Classification: 558/380

(under subclass 379) Processes wherein formation of the carbon to carbon double bond is accomplished by removal of one hydrogen and one halogen from adjacent single bonded acyclic or alicyclic carbons.

(1) Note. An example of a process provided for herein is: [figure]