US PATENT SUBCLASS 504 / 179
.~.~.~ Hetero ring is five-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}
179.~.~.~ Hetero ring is five-membered including nitrogen {1}
180  DF  .~.~.~.~> Plural ring nitrogens in the hetero ring {1}

DEFINITION

Classification: 504/179

Hetero ring is five-membered including nitrogen:

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