US PATENT SUBCLASS 514 / 413
.~.~.~.~.~.~ Ring nitrogen is shared by the cyclos of the bicyclo 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}
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}
359  DF  .~.~ Five-membered hetero ring containing at least one nitrogen ring atom (e.g., 1,2,3-triazoles, etc.) {11}
408  DF  .~.~.~ The five-membered hetero ring consists of one nitrogen and four carbons {9}
410  DF  .~.~.~.~ Polycyclo ring system having the five-membered hetero ring as one of the cyclos {2}
412  DF  .~.~.~.~.~ Bicyclo ring system having the five-membered hetero ring as one of the cyclos {4}
413.~.~.~.~.~.~ Ring nitrogen is shared by the cyclos of the bicyclo ring system

DEFINITION

Classification: 514/413

Ring nitrogen is shared by the cyclos of the bicyclo ring system:

(under subclass 412) Subject matter wherein the ring nitrogen of the five-membered hetero ring is additionally a ring member of the other cyclo of the bicyclo ring system, e.g.,