US PATENT SUBCLASS 558 / 392
.~.~.~.~.~ Having -C(=X)-, also in the chain, bonded directly to the nitrogen (wherein X is chalcogen)

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}
389  DF  .~.~.~ Non-carbon atom in acyclic chain between the benzene ring and the cyano group {3}
390  DF  .~.~.~.~ Nitrogen in the acyclic chain {3}
392.~.~.~.~.~ Having -C(=X)-, also in the chain, bonded directly to the nitrogen (wherein X is chalcogen) {1}
393  DF  .~.~.~.~.~.~> Carbon to carbon unsaturation, chalcogen, or additional nitrogen in the chain

DEFINITION

Classification: 558/392

(under subclass 390) Compounds wherein the nitrogen is bonded directly to -C(=X-, which is also in the chain, wherein X is chalcogen (i.e., oxygen, sulfur, seleium, or tellurium).

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

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