US PATENT SUBCLASS 504 / 299
.~.~.~.~.~ Chalcogen or -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring

Current as of: June, 1999
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504 /   HD   PLANT PROTECTING AND REGULATING COMPOSITIONS

116  DF  PLANT GROWTH REGULATING COMPOSITIONS (E.G., HERBICIDES, ETC.) {9}
189  DF  .~ Organic active compound containing {19}
209  DF  .~.~ Hetero ring containing {11}
291  DF  .~.~.~ Oxygen containing hetero ring {2}
294  DF  .~.~.~.~ The hetero ring is five-membered {3}
299.~.~.~.~.~ Chalcogen or -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring

DEFINITION

Classification: 504/299

Chalcogen or -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring:

(under subclass 294) Compositions in which chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), or -C(=X)-, wherein X is chalcogen, is bonded directly to the hetero ring.