US PATENT SUBCLASS 514 / 674
.~.~.~.~ Three or more 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  DF  .~.~.~ Plural amino nitrogens {1}
674.~.~.~.~ Three or more amino nitrogens

DEFINITION

Classification: 514/674

Three or more amino nitrogens:

(under subclass 673) Subject matter wherein the compound contains three or more amino nitrogen.