US PATENT SUBCLASS 514 / 576
.~.~ 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}
553  DF  .~ Radical -XH acid, or anhydride, acid halide or salt thereof (X is chalcogen) DOAI {6}
576.~.~ Benzene ring containing {1}
577  DF  .~.~.~> Polycyclo ring system

DEFINITION

Classification: 514/576

Benzene ring containing:

(under subclass 553) Subject matter wherein the active ingredient contains a benzene ring which is nonionically bonded.