US PATENT SUBCLASS 514 / 689
.~.~.~.~ Oxygen single bonded to carbon


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


DEFINITION

Classification: 514/689

Oxygen single bonded to carbon:

(under subclass 688) Subject matter which contains a C-O- group.