Fmc Corporation

Kanagawa Chemical Laboratory, Ltd.

Marjorie J Plummer

Ernest L Plummer

Kiyoshi Kondo

John A Dixson

John M Tymonko

Blaik P Halling

Kirk A Simmons

Hiromichi Kono

The present application discloses herbicidal substituted-phenyl-1,2,4-Triazol-5(1H)-thiones and -ones, herbicidal compositions containing these compounds, methods of preparing them, and methods for controlling undesired plant growth by preemergence and/or postemergence application of the herbicidal compositions to the locus where control is desired. The herbicidal compounds are compounds of the formula ##STR1## wherein: Ar is selected from ##STR2## R is selected from haloalkyl; R.sup.1 is selected from alkyl;

Herbicidal substituted phenyl-1,2,4-triazol-5(1H)-thiones

The present application discloses herbicidal substituted-phenyl-1,2,4-Triazole-5(1H)-thiones and -ones, herbicidal compositions containing these compounds, methods of preparing them, and methods for controlling undesired plant growth by preemrgence and/or postemergence application of the herbicidal compositions to the locus where control is desired. The herbicidal compounds are compounds of the formula ##STR1## wherein Ar is selected from ##STR2## R is selected from haloalkyl; R.sup.1 is selected from alkyl;

Herbicidal substituted-phenyl-1,2,4-triazol-5(1H)-thiones and -ones

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Washington Crossing, PA, United States of America

Marjorie J Plummer