US PATENT SUBCLASS 558 / 390
.~.~.~.~ Nitrogen in the acyclic chain


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.~.~.~.~ Nitrogen in the acyclic chain {3}
391  DF  .~.~.~.~.~> Carbon, also in the chain, double bonded to the nitrogen
392  DF  .~.~.~.~.~> Having -C(=X)-, also in the chain, bonded directly to the nitrogen (wherein X is chalcogen) {1}
394  DF  .~.~.~.~.~> The chain nitrogen bonded directly to the benzene ring {1}


DEFINITION

Classification: 558/390

(under subclass 389) Compounds wherein the acyclic chain has nitrogen as a chain member.

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