US PATENT SUBCLASS 514 / 704
.~.~ 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}
693  DF  .~ Aldehyde DOAI {7}
704.~.~ Nitrogen containing

DEFINITION

Classification: 514/704

Nitrogen containing:

(under subclass 693) Subject matter wherein the compound contains nitrogen.