US PATENT SUBCLASS 514 / 766
.~.~.~ Polycyclo ring system

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}
762  DF  .~ Hydrocarbon DOAI {3}
763  DF  .~.~ Carbocyclic {2}
766.~.~.~ Polycyclo ring system

DEFINITION

Classification: 514/766

Polycyclo ring system:

(under subclass 763) Subject matter wherein the compound contains a polycyclo ring system.