US PATENT SUBCLASS 514 / 364
.~.~.~.~ Oxadiazoles (including hydrogenated)


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}
361  DF  .~.~.~ Plural ring nitrogens and a single chalcogen in the hetero ring {3}
364.~.~.~.~ Oxadiazoles (including hydrogenated)


DEFINITION

Classification: 514/364

Oxadiazoles (including hydrogenated):

(under subclass 361) Subject matter wherein the hetero ring contains one ring oxygen and two ring nitrogens as the only hetero atoms of the ring and may have a double bond between ring members, e.g., [figure] [caption], etc.