US PATENT SUBCLASS 558 / 408
.~.~.~ Nitrogen, except as nitro or nitroso, attached indirectly to the cyano group by nonionic bonding

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}
388  DF  .~.~ Benzene ring attached indirectly to the cyano group by acyclic nonionic bonding {5}
408.~.~.~ Nitrogen, except as nitro or nitroso, attached indirectly to the cyano group by nonionic bonding {1}
409  DF  .~.~.~.~> Plural cyano groups containing

DEFINITION

Classification: 558/408

(under subclass 388) Compounds wherein the cyano group is attached indirectly to nitrogen, except as nitro or nitroso, by nonionic bonding.

(1) Note. A nitro or nitroso group may be attached indirectly to the cyano group by nonionic bonding, provided that a nitrogen which is not part of a nitro or nitroso group is also so attached.

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