US PATENT SUBCLASS 504 / 323
.~.~.~.~ Oxygen is bonded directly to the benzene ring and is part of an acyclic chain between the benzene ring and a -C(=O)O- group (e.g., 2,4-dichlorophenoxyacetic acids, etc.)

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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}
320  DF  .~.~ Carboxylic acid, carboxylic acid salt, carboxylic acid anhydride, or carboxylic acid halide {2}
321  DF  .~.~.~ Benzene ring containing {3}
323.~.~.~.~ Oxygen is bonded directly to the benzene ring and is part of an acyclic chain between the benzene ring and a -C(=O)O- group (e.g., 2,4-dichlorophenoxyacetic acids, etc.)

DEFINITION

Classification: 504/323

Oxygen is bonded directly to the benzene ring and is part of an acyclic chain between the benzene ring and a -C (=O) O- group (e.g., 2, 4-dichlorophenoxyacetic acids, etc.):

(under subclass 321) Compositions wherein oxygen is bonded directly to the benzene ring and is part of an acyclic chain between the benzene ring and a -C (=O) O- group.

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