American Cyanamid Company

Pierre A Marc

Sergio I Alvarado

Brian J Dahlke

Eileen Reilly-Horch

Michael E Condon

Thomas E Brady

Stephen S Szucs

Laura Sue Quakenbush

Eileen M Reilly

There are provided methods to control mono-cotyledenous weed species in the presence of crops and particularly in the presence of cereal crops. Also provided are 4-(2,6-disubstituted-phenoxy)coumarin derivatives useful as herbicidal agents and methods to prepare same.

4-phenoxycoumarins as herbicidal agents

There are provided methods to control monocotyledenous weed species in the presence of crops and particularly in the presence of cereal crops. Also provided are 4-(2,6-disubstituted-phenoxy)coumarin derivatives useful as herbicidal agents and methods to prepare same.

4-Phenoxycoumarins as herbicidal agents

This invention relates to a crop-selective, herbicidal agent 1-{[o-(cyclopropylcarbonyl)phenyl]sulfamoyl{-3-(4,6-dimethoxy-2-pyrimidiny l)urea, a method for the preparation thereof and a method for selectively controlling undesirable plant species in the presence of crops with the crop-selective sulfamoyl urea derivative.

0-Aminophenyl cyclopropyl ketone intermediate

This invention relates to a crop-selective, herbicidal agent 1-{[o-(cyclopropylcarbonyl)phenyl]sulfamoyl}-3-(4,6-dimethoxy-2-pyrimidiny l)urea, a method for the preparation thereof and a method for selectively controlling undesirable plant species in the presence of crops with the crop-selective sulfamoyl urea derivative.

1-{[O-(cycl

The invention relates to selective herbicidal 4-cyano-4-(fluorophenyl)-3-(substituted-phenyl)butyric acids, esters and derivatives thereof, and a method of selectively controlling undesirable vegetation in rice therewith.

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Willingboro, NJ, United States of America

Pierre A Marc