US PATENT SUBCLASS 514 / 688
.~.~.~ C=O bonded directly to benzene ring (e.g., acetophenone, etc.)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

1  DF  DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29}
675  DF  .~ Ketone DOAI {3}
678  DF  .~.~ Benzene ring containing {2}
688.~.~.~ C=O bonded directly to benzene ring (e.g., acetophenone, etc.) {1}
689  DF  .~.~.~.~> Oxygen single bonded to carbon

DEFINITION

Classification: 514/688

C=O bonded directly to benzene ring (e.g., acetophenone, etc.):

(under subclass 678) Subject matter wherein is bonded directly to the benzene ring.