US PATENT SUBCLASS 504 / 234
.~.~.~.~.~.~ The nitrogens are further bonded to hydrogen or hydrocarbyl only

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}
227  DF  .~.~.~ Hetero ring is six-membered consisting of three nitrogens and three carbons {4}
231  DF  .~.~.~.~ Nitrogen bonded directly to ring carbon of the six-membered hetero ring {1}
232  DF  .~.~.~.~.~ Plural nitrogens bonded directly to ring carbons of the six-membered hetero ring {2}
234.~.~.~.~.~.~ The nitrogens are further bonded to hydrogen or hydrocarbyl only

DEFINITION

Classification: 504/234

The nitrogens are further bonded to hydrogen or hydrocarbyl only:

(under subclass 232) Compositions wherein only hydrogen or hydrocarbon radicals can satisfy the remaining valences of the nitrogens.