US PATENT SUBCLASS 504 / 177
.~.~.~ Hetero ring is six-membered including nitrogen


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  DF  .~.~ Hetero ring containing active ingredient {2}
177.~.~.~ Hetero ring is six-membered including nitrogen {1}
178  DF  .~.~.~.~> Chalcogen, nitrogen, or -C(=X)-, wherein X is chalcogen, bonded directly to ring carbon of the six-membered hetero ring


DEFINITION

Classification: 504/177

Hetero ring is six-membered including nitrogen:

(under subclass 176) Compositions wherein the hetero ring is six-membered and has nitrogen as a ring member.