US PATENT SUBCLASS 514 / 727
.~.~ 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}
724  DF  .~ C-O-group (e.g., alcohol, alcoholate, etc.) DOAI {7}
727.~.~ Nitrogen containing {1}
728  DF  .~.~.~> C of C-O- group is nuclear C of a benzene ring (e.g., phenol, phenolate, etc.)


DEFINITION

Classification: 514/727

Nitrogen containing:

(under subclass 724) Subject matter wherein the compound contains nitrogen.