US PATENT SUBCLASS 558 / 383
.~.~.~ By dehydrogenation

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
383.~.~.~ By dehydrogenation

DEFINITION

Classification: 558/383

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

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