Patents Represented by Attorney Ron G. Brookens

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  • Substituted pyridine carboxyl halides and derivatives
    Patent number: 4128551
    Abstract: Disclosed are pyridinecarboxylic acids and derivatives thereof which are useful as intermediates for the preparation of 1H-pyrido(2,3-c or 4,3-c) (1,2,6)thiadiazin-4(3H)-one-2,2-dioxide compounds and derivatives thereof which are useful as herbicides.
    Type: Grant
    Filed: January 20, 1978
    Date of Patent: December 5, 1978
    Assignee: The Dow Chemical Co.
    Inventor: Lennon H. McKendry