US PATENT SUBCLASS 504 / 214
.~.~.~.~.~ The hetero ring consists of two nitrogens 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}
210  DF  .~.~.~ Acyclic urea or thiourea bonded directly to ring carbon of the hetero ring (i.e., HNH-C(=X)-NH-, wherein X is sulfur or oxygen and substitution may be made for hydrogen only) {2}
211  DF  .~.~.~.~ Sulfonyl bonded directly to the urea or thiourea nitrogen (e.g., N-phenylsulfonyl-N'- pyridinylureas, etc.) {2}
214.~.~.~.~.~ The hetero ring consists of two nitrogens and four carbons {1}
215  DF  .~.~.~.~.~.~> Additional hetero ring containing

DEFINITION

Classification: 504/214

The hetero ring consists of two nitrogens and four carbons:

(under subclass 211) Compositions wherein the hetero ring consists of two ring nitrogens and four ring carbons.

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