US PATENT SUBCLASS 564 / 237
.~.~.~.~ Benzene ring containing

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}
225  DF  .~.~ Amidines (i.e., HN=CH-HNH, wherein substition may be made for hydrogen only) {5}
230  DF  .~.~.~ Guanidines (i.e., HN=C(-HNH)-HNH, wherein substitution may be made for hydrogen only) {6}
237.~.~.~.~ Benzene ring containing {1}
238  DF  .~.~.~.~.~> Benzene ring bonded directly to guanidine nitrogen {1}

DEFINITION

Classification: 564/237

(under subclass 230) Compounds wherein a guanidine contains a benzene ring.

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