US PATENT SUBCLASS 564 / 372
.~.~.~.~ Additional amino nitrogen attached directly or indirectly to the acyclic carbon or chain by acyclic nonionic bonding

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}
305  DF  .~.~ Benzene ring containing {24}
336  DF  .~.~.~ Amino nitrogen attached to aryl ring or ring system by an acyclic carbon or chain {11}
372.~.~.~.~ Additional amino nitrogen attached directly or indirectly to the acyclic carbon or chain by acyclic nonionic bonding

DEFINITION

Classification: 564/372

(under subclass 336) Compounds wherein an additional nonionic amino nitrogen is bonded to the carbon or the chain either directly or as part of an acyclic substituent.

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