US PATENT SUBCLASS 564 / 367
.~.~.~.~ The chain contains nitrogen between the aryl ring or ring system and amino nitrogen

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
367.~.~.~.~ The chain contains nitrogen between the aryl ring or ring system and amino nitrogen {2}
368  DF  .~.~.~.~.~> Ethylene diamines {1}
371  DF  .~.~.~.~.~> Methylene diamines

DEFINITION

Classification: 564/367

(under subclass 336) Compounds wherein an additional amino nitrogen is part of the chain between the amino nitrogen and the aryl ring or ring system.

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