US PATENT SUBCLASS 564 / 368
.~.~.~.~.~ Ethylene diamines

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  DF  .~.~.~.~ The chain contains nitrogen between the aryl ring or ring system and amino nitrogen {2}
368.~.~.~.~.~ Ethylene diamines {1}
369  DF  .~.~.~.~.~.~> Mono ethylene diamines {1}

DEFINITION

Classification: 564/368

(under subclass 367) Compounds wherein the chain contains an ethylene diamine group wherein the ethylene carbons may be substituted by alkyl substituents only.

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