US PATENT SUBCLASS 504 / 176
.~.~ Hetero ring containing active ingredient

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}
174  DF  .~ Stunting or dwarfing agent {4}
176.~.~ Hetero ring containing active ingredient {2}
177  DF  .~.~.~> Hetero ring is six-membered including nitrogen {1}
179  DF  .~.~.~> Hetero ring is five-membered including nitrogen {1}

DEFINITION

Classification: 504/176

Hetero ring containing active ingredient:

(under subclass 174) Compositions wherein the active stunting or dwarfing agent contains a hetero ring.