US PATENT SUBCLASS 514 / 685
.~.~.~.~ C=O bonded directly to benzene ring

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}
679  DF  .~.~.~ Plural rings {3}
685.~.~.~.~ C=O bonded directly to benzene ring {1}
686  DF  .~.~.~.~.~> Two benzene rings bonded directly to the same C=O {1}

DEFINITION

Classification: 514/685

C=O bonded directly to benzene ring:

(under subclass 679) Subject matter which contains a group directly bonded to a benzene ring.