US PATENT SUBCLASS 514 / 300
.~.~.~.~.~ Plural hetero atoms in 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}
277  DF  .~.~ Hetero ring is six-membered consisting of one nitrogen and five carbon atoms {11}
279  DF  .~.~.~ Polycyclo ring system having the six-membered hetero ring as one of the cyclos {4}
299  DF  .~.~.~.~ Bicyclo ring system having the six-membered hetero ring as one of the cyclos {6}
300.~.~.~.~.~ Plural hetero atoms in the bicyclo ring system {3}
301  DF  .~.~.~.~.~.~> Ring sulfur in the bicyclo ring system
302  DF  .~.~.~.~.~.~> Ring oxygen in the bicyclo ring system
303  DF  .~.~.~.~.~.~> Exactly three ring nitrogens in the bicyclo ring system


DEFINITION

Classification: 514/300

Plural hetero atoms in the bicyclo ring system:

(under subclass 299) Subject matter wherein the bicyclo ring system includes at least one ring hetero atom in addition to the ring nitrogen of the six-membered hetero ring.