US PATENT SUBCLASS 564 / 225
.~.~ Amidines (i.e., HN=CH-HNH, wherein substition may be made for hydrogen only)


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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}
225.~.~ Amidines (i.e., HN=CH-HNH, wherein substition may be made for hydrogen only) {5}
226  DF  .~.~.~> Amidino hydrazines or hydrazones (i.e., HNH-N=CH-HNH or HN=CH-NH-HNH, wherein substitution may be made for hydrogen only) {1}
229  DF  .~.~.~> Amidoximes (i.e., HON=CH-HNH, wherein substitution may be made for hydrogen only)
230  DF  .~.~.~> Guanidines (i.e., HN=C(-HNH)-HNH, wherein substitution may be made for hydrogen only) {6}
243  DF  .~.~.~> Polyamidines
244  DF  .~.~.~> Benzene ring containing {3}


DEFINITION

Classification: 564/225

(under subclass 1) Compounds which are amidines and contains the grouping [figure]

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

[figure] [figure]