Patents by Inventor Clifford Daniel Cotterman

Clifford Daniel Cotterman 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).

  • Herbicidal heterocycles
    Patent number: 7138361
    Abstract: Compounds of Formula (1), their N-oxides and agriculturally suitable salts, are disclosed which are useful for controlling undesired vegetation wherein A, R1, R2a, R2b, W, Y, and Z are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula (1) and a method for controlling undesired vegetation which involves contacting the vegetation or its environment with an effective amount of a compound of Formula (1).
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: November 21, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Clifford Daniel Cotterman, Chi-Ping Tseng
  • Herbicidal heterocycles
    Publication number: 20040106520
    Abstract: Compounds of Formula (1), their N-oxides and agriculturally suitable salts, are disclosed which are useful for controlling undesired vegetation, wherein A, R1, R2a, R2b, W, Y, and Z are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula (1) and a method for controlling undesired vegetation which involves contacting the vegetation or its environment with an effective amount of a compound of Formula (1).
    Type: Application
    Filed: May 28, 2003
    Publication date: June 3, 2004
    Inventors: Clifford Daniel Cotterman, Chi-Ping Tseng