Patents Represented by Attorney Theodore C. Gregory

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  • Herbicidal sulfonamides
    Patent number: 4752322
    Abstract: This invention relates to herbicidally active sulfonylurea compounds, agriculturally suitable compositions thereof and their method of use as herbicides or plant growth regulants.
    Type: Grant
    Filed: November 4, 1986
    Date of Patent: June 21, 1988
    Inventors: Donald J. Dumas, Marcus P. Moon
  • Herbicidal mixtures
    Patent number: H1711
    Abstract: This invention relates to herbicidal mixtures of chlorimuron ethyl and sulfentrazone, herbicidal compositions of said mixtures, and a method for the use of said mixtures to control undesired vegetation.
    Type: Grant
    Filed: February 3, 1997
    Date of Patent: February 3, 1998
    Assignee: E. I. du Pont
    Inventor: William Francis Smith, III