US PATENT SUBCLASS 558 / 446
.~.~.~ Nitrogen, double bonded to carbon, attached indirectly to the cyano group by nonionic bonding (e.g., imines, oximes, etc.)

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}
435  DF  .~.~ Acyclic (e.g., purification of saturated nitriles, etc.) {9}
446.~.~.~ Nitrogen, double bonded to carbon, attached indirectly to the cyano group by nonionic bonding (e.g., imines, oximes, etc.)

DEFINITION

Classification: 558/446

(under subclass 435) Compounds wherein the cyano group is attached indirectly, by nonionic bonding, to nitrogen, which is double bonded to carbon.

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