US PATENT SUBCLASS 514 / 716
.~.~ Nitrogen containing

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}
715  DF  .~ Ether DOAI {3}
716.~.~ Nitrogen containing

DEFINITION

Classification: 514/716

Nitrogen containing:

(under subclass 715) Subject matter wherein the compound contains nitrogen.