Patents Represented by Attorney E. Wendell Osborne

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  • Substituted 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonyl chlorides
    Patent number: 4886883
    Abstract: Novel substituted triazolo[1,5-a]pyrimidine-2-sulfonamides, e.g., 5,7-dimethyl-N-(2,6-dichlorophenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulf onamide and their agriculturally acceptable salt are prepared. These compounds and compositions containing them are useful for the control of unwanted vegetation. Novel substituted triazolo[1,5-a]pyrimidine-2-sulfonyl chlorides and substituted anilines and their use as intermediates are also described.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: December 12, 1989
    Assignee: The Dow Chemical Company
    Inventors: William A. Kleschick, Robert J. Ehr, Mark J. Costales, Ben C. Gerwick, III, Richard W. Meikle, deceased, William T. Monte, Norman R. Pearson