US PATENT SUBCLASS 504 / 256
.~.~.~.~.~ Benzene ring bonded directly to the chalcogen


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}
244  DF  .~.~.~ Hetero ring is six-membered consisting of one nitrogen and five carbons {6}
254  DF  .~.~.~.~ Chalcogen bonded directly to ring carbon of the six-membered hetero ring {2}
256.~.~.~.~.~ Benzene ring bonded directly to the chalcogen {2}
257  DF  .~.~.~.~.~.~> Containing -C(=X)NH-, wherein X is chalcogen and substitution may be made for hydrogen only
258  DF  .~.~.~.~.~.~> Containing -C(=X)X-, wherein the X's are the same or diverse chalcogens {1}


DEFINITION

Classification: 504/256

Benzene ring bonded directly to the chalcogen:

(under subclass 254) Compositions wherein the chalcogen is bonded directly to a benzene ring.