US PATENT SUBCLASS 514 / 741
.~.~ Benzene ring 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}
740  DF  .~ Nitrogen containing compound DOAI {2}
741.~.~ Benzene ring containing

DEFINITION

Classification: 514/741

Benzene ring containing:

(under subclass 740) Subject matter wherein the compound contains a benzene ring.