US PATENT SUBCLASS 564 / 246
.~.~.~.~ Additional nitrogen attached indirectly to amidine nitrogen by nonionic bonding

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}
244  DF  .~.~.~ Benzene ring containing {3}
246.~.~.~.~ Additional nitrogen attached indirectly to amidine nitrogen by nonionic bonding

DEFINITION

Classification: 564/246

(under subclass 244) Compounds wherein an amidine contains an additional nitrogen which is nonionically bonded.

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