US PATENT SUBCLASS 504 / 283
.~.~.~ Hetero ring is five-membered consisting of one nitrogen and four carbons

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}
283.~.~.~ Hetero ring is five-membered consisting of one nitrogen and four carbons {2}
284  DF  .~.~.~.~> Polycyclo ring system having the five-membered hetero ring as one of the cyclos (e.g., indoles, etc.) {1}
287  DF  .~.~.~.~> Having -C(=X)-, wherein X is chalcogen, bonded directly to the five-membered hetero ring

DEFINITION

Classification: 504/283

Hetero ring is five-membered consisting of one nitrogen and four carbons:

(under subclass 209) Compositions which contain a five-membered hetero ring consisting of one ring nitrogen and four ring carbons.