US PATENT SUBCLASS 558 / 426
.~.~ Benzene ring attached indirectly to the cyano group by nonionic bonding (i.e., alicyclic ring between the benzene ring and the cyano group)

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}
426.~.~ Benzene ring attached indirectly to the cyano group by nonionic bonding (i.e., alicyclic ring between the benzene ring and the cyano group) {1}
427  DF  .~.~.~> Polycyclo ring system having at least three cyclos, at least one of which is a benzene ring

DEFINITION

Classification: 558/426

(under subclass 303) Compounds wherein the cyano group is attached indirectly to a benzene ring by nonionic bonding.

(1) Note. Examples of compounds provided for herein are: [figure] [figure]