US PATENT SUBCLASS 514 / 336
.~.~.~ Additional hetero ring containing

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}
183  DF  .~ Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., O,S,Se or Te) or nitrogen as the only ring hetero atoms DOAI {16}
277  DF  .~.~ Hetero ring is six-membered consisting of one nitrogen and five carbon atoms {11}
336.~.~.~ Additional hetero ring containing {2}
337  DF  .~.~.~.~> The additional hetero ring is one of the cyclos in a polycyclo ring system {2}
340  DF  .~.~.~.~> Ring nitrogen in the additional hetero ring (e.g., oxazole, etc.) {3}

DEFINITION

Classification: 514/336

Additional hetero ring containing:

(under subclass 277) Subject matter which contains an additional hetero ring in the compound other than the six-membered hetero ring consisting of one nitrogen and five carbons, i.e., an additional hetero ring other than a pyridine or partially hydrogenated pyridine ring.