US PATENT SUBCLASS 558 / 356
.~.~.~ Isomerization of reactants containing plural cyano groups

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}
355  DF  .~.~ Isomerization processes (e.g., double bond shift, cis-trans isomerism, etc.) {1}
356.~.~.~ Isomerization of reactants containing plural cyano groups

DEFINITION

Classification: 558/356

(under subclass 355) Processes wherein the starting compound that is isomerized contains plural cyano groups.

(1) Note. An example of a process provided for herein is: the production of 1, 4-dicyano-1-butene by catalytic isomerization of 1, 4-dicyano-2-botene.