Patents Represented by Attorney D. L. Calson

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  • Esters of benzofuranyl acids
    Patent number: 4431650
    Abstract: This invention relates to novel esters of benzofuranyl acids, novel intermediates therefor, synthesis thereof, and the control of pests.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: February 14, 1984
    Assignee: Union Carbide Corporation
    Inventor: Thomas N. Wheeler