US PATENT SUBCLASS 514 / 673
.~.~.~ Plural amino nitrogens


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}
663  DF  .~.~ Acyclic {7}
673.~.~.~ Plural amino nitrogens {1}
674  DF  .~.~.~.~> Three or more amino nitrogens


DEFINITION

Classification: 514/673

Plural amino nitrogens:

(under subclass 663) Subject matter wherein the compound contains more than one amino nitrogen.