US PATENT SUBCLASS 514 / 681
.~.~.~.~.~ Bicyclo

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}
679  DF  .~.~.~ Plural rings {3}
680  DF  .~.~.~.~ Polycyclo ring system {1}
681.~.~.~.~.~ Bicyclo {1}
682  DF  .~.~.~.~.~.~> Naphthyl ring system

DEFINITION

Classification: 514/681

Bicyclo:

(under subclass 680) Subject matter wherein the polycyclo ring system is a bicyclo ring system.