US PATENT SUBCLASS 514 / 343
.~.~.~.~.~ The additional hetero ring consists of one nitrogen and four carbons (e.g., nicotine, etc.)


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  DF  .~.~.~ Additional hetero ring containing {2}
340  DF  .~.~.~.~ Ring nitrogen in the additional hetero ring (e.g., oxazole, etc.) {3}
343.~.~.~.~.~ The additional hetero ring consists of one nitrogen and four carbons (e.g., nicotine, etc.)


DEFINITION

Classification: 514/343

The additional hetero ring consists of one nitrogen and four carbons (e.g., nicotine, etc.):

(under subclass 340) Subject matter wherein the additional hetero ring consists of one nitrogen and four carbon atoms.