US PATENT SUBCLASS 564 / 277
.~.~.~.~ Unsubstituted phenyl bonded directly to the aldimine or ketimine nitrogen

Current as of: June, 1999
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564 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1  DF  .~ AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) {37}
248  DF  .~.~ Containing nitrogen double bonded directly to carbon {8}
271  DF  .~.~.~ Aldimines or ketimines which contain benzene ring (i.e., HCH=NH, wherein substitution may be made for hydrogen only but a hydrogen or carbon must be bonded directly to the carbon) {3}
277.~.~.~.~ Unsubstituted phenyl bonded directly to the aldimine or ketimine nitrogen

DEFINITION

Classification: 564/277

(under subclass 271) Compounds wherein an unsubstituted benzene is directly attached to the imino nitrogen.

(1) Note. This subclass contains, for example: [figure] [figure]