US PATENT SUBCLASS 504 / 219
.~.~.~.~ Additional hetero ring containing


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}
218  DF  .~.~.~ Hetero ring contains at least seven members including nitrogen {2}
219.~.~.~.~ Additional hetero ring containing


DEFINITION

Classification: 504/219

Additional hetero ring containing:

(under subclass 218) Compositions which contain an additional hetero ring.