US PATENT SUBCLASS 514 / 491
.~.~ With an additional active ingredient

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}
476  DF  .~ N-C(=X)X containing (X is chalcogen) DOAI {3}
491.~.~ With an additional active ingredient

DEFINITION

Classification: 514/491

With an additional active ingredient:

(under subclass 476) Subject matter which contains a compound having the grouping NX and an additional organic active ingredient.

(1) Note. Synergistic and potentiating agents are considered active ingredients.