US PATENT SUBCLASS 514 / 632
.~.~.~ Amidino hydrazines or hydrazones (i.e., N-N=C-N or N=C-N-N)

Current as of: June, 1999
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514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

1  DF  DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29}
579  DF  .~ Nitrogen containing other than solely as a nitrogen in an inorganic ion of an addition salt, a nitro or a nitroso DOAI {22}
631  DF  .~.~ Amidines (i.e., N=C-N) {5}
632.~.~.~ Amidino hydrazines or hydrazones (i.e., N-N=C-N or N=C-N-N)

DEFINITION

Classification: 514/632

Amidino hydrazines or hydrazones (i.e., N=C-N-N or N-N=C-N):

(under subclass 631) Subject matter including a compound which is an amidino hydrazine containing the grouping N=C-N-N or an amidino hydrazone containing the grouping O-N=C-N.