US PATENT SUBCLASS 558 / 379
.~.~ 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.)

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.~.~ 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  DF  .~.~.~> By dehydrohalogenation
381  DF  .~.~.~> By dehalogenation, dehydrocyanation, ring cleavage, or depolymerization
382  DF  .~.~.~> By dehydration (i.e., removal of water)
383  DF  .~.~.~> By dehydrogenation

DEFINITION

Classification: 558/379

(under subclass 303) Processes wherein an exsting acyclic or alicyclic carbon to carbon single bond is converted to an acyclic or alicyclic carbon to carbon double bond.

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