US PATENT SUBCLASS 514 / 279
.~.~.~ Polycyclo ring system having the six-membered hetero ring as one of the cyclos


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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}
279.~.~.~ Polycyclo ring system having the six-membered hetero ring as one of the cyclos {4}
280  DF  .~.~.~.~> Pentacyclo ring system having the six-membered hetero ring as one of the cyclos {2}
284  DF  .~.~.~.~> Tetracyclo ring system having the six-membered hetero ring as one of the cyclos {2}
290  DF  .~.~.~.~> Tricyclo ring system having the six-membered hetero ring as one of the cyclos {6}
299  DF  .~.~.~.~> Bicyclo ring system having the six-membered hetero ring as one of the cyclos {6}


DEFINITION

Classification: 514/279

Polycyclo ring system having the six-membered hetero ring as one of the cyclos:

(under subclass 277) Subject matter wherein the six-membered hetero ring is one of the cyclos of a polycyclo ring system.