US PATENT SUBCLASS 504 / 250
.~.~.~.~ Plural pyridine or partially hydrogenated pyridine rings

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}
244  DF  .~.~.~ Hetero ring is six-membered consisting of one nitrogen and five carbons {6}
250.~.~.~.~ Plural pyridine or partially hydrogenated pyridine rings

DEFINITION

Classification: 504/250

Plural pyridine or partially hydrogenated pyridine rings:

(under subclass 244) Compositions which contain at least two of the six-membered hetero rings, each consisting of one nitrogen and five carbons and having at least one double bond between ring members, i.e., pyridine or partially hydrogenated pyridine rings.

(1) Note. An example of a compound provided for herein is: [figure]