US PATENT SUBCLASS 564 / 244
.~.~.~ Benzene ring containing


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}
225  DF  .~.~ Amidines (i.e., HN=CH-HNH, wherein substition may be made for hydrogen only) {5}
244.~.~.~ Benzene ring containing {3}
245  DF  .~.~.~.~> N(prime)-aryl formimidines (i.e., benzene-N=CH-HNH, wherein substitution may be made for hydrogen, including those bonded directly to the benzene ring only)
246  DF  .~.~.~.~> Additional nitrogen attached indirectly to amidine nitrogen by nonionic bonding
247  DF  .~.~.~.~> Hydroxy, bonded directly to carbon, or ether containing (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)


DEFINITION

Classification: 564/244

(under subclass 225) Compounds wherein an amidine contains a benzene ring.

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