Patents by Inventor Robert M. Watkins, Jr.

Robert M. Watkins, Jr. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Synergistic herbicidal imidazolinone compositions
    Patent number: 5478795
    Abstract: Synergistic herbicidal imidazolinone compositions, and methods for their use in selective postemergence control of undesirable plant species in the presence of crops; particularly for the selective control of undesirable plant species of the genera: Ipomoea, Sorghum and Euphorbia, in the presence of leguminous crops, by the postemergence application to the foliage of said plants of a novel synergistic combination of an imidazolinyl nicotinic acid, ester or salt with (1) a different imidazolinyl nicotinic acid, ester or salt, (2) an imidazolinyl-3-quino-linecarboxylic acid, ester or salt, or (3) an N-(heterocyclicaminocarbonyl)arylsulfonamide.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: December 26, 1995
    Assignee: American Cyanamid Company
    Inventor: Robert M. Watkins, Jr.
  • Synergistic herbicidal imidazolinone compositions
    Patent number: 5030271
    Abstract: Synergistic herbicidal imidazolinone compositions, and methods for their use in selective postemergence control of undesirable plant species in the presence of crops; particularly for the selective control of undesirable plant species of the genera: Ipomoea, Sorghum and Euphorbia, in the presence of leguminous crops, by the postemergence application to the foliage of said plants of a novel synergistic combination of an imidazolinyl nicotinic acid, ester or salt with (1) a different imidazolinyl nicotinic acid, ester or salt, (2) an imidazolinyl-3-quinolinecarboxylic acid, ester or salt, or (3) an N-(heterocyclicaminocarbonyl)arylsulfonamide.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: July 9, 1991
    Assignee: American Cyanamid Company
    Inventor: Robert M. Watkins, Jr.