Patents by Inventor Gerald A. Roy, Jr.

Gerald A. Roy, 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).

  • Herbicidal fluoroethoxy pyrimidines
    Patent number: 4704159
    Abstract: Specific fluoroethoxy pyrimidines and triazines are useful as general or selective preemergent and postemergent herbicides. Ortho-ethoxy and ortho-propoxy substituted benzenesulfonamides, such as 2-ethoxy-N-[[4-methoxy-6-(2,2,2-trifluoroethoxy)1,3,5-triazin-2-yl]aminoca rboxyl]benzenesulfonamide and N-[[4-methoxy-6-(2,2,2-trifluoroethoxy)-1,3,5-triazin-2-yl]aminocarbonyl]- 2-propoxybenzenesulfonamide, and their agriculturally suitable salts show pre-emergent and postemergent herbicidal utility in corn.
    Type: Grant
    Filed: May 9, 1986
    Date of Patent: November 3, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Michael D. Nicholson, Gerald A. Roy, Jr.
  • Herbicidal fluoroethoxy triazines
    Patent number: 4609398
    Abstract: Specific fluoroethoxy pyrimidines and triazines are useful as general or selective preemergent and postemergent herbicides. Ortho-ethoxy and ortho-propoxy substituted benzenesulfonamides, such as 2-ethoxy-N-[[4-methoxy-6-(2,2,2-trifluoroethyoxy)-1,3,5-triazin-2-yl]amino carboxy]benzenesulfonamide and N-[[4-methoxy-6-(2,2,2-trifluoroethoxy)-1,3,5-triazin-2-yl]aminocarbonyl]- 2-propoxybenzenesulfonamide, and their agriculturally suitable salts show preemergent and postemergent herbicial utility in corn.
    Type: Grant
    Filed: February 12, 1985
    Date of Patent: September 2, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Michael D. Nicholson, Gerald A. Roy, Jr.
  • Herbicidal sulfonylureas
    Patent number: 4548638
    Abstract: Designated sulfonylureas which contain amino-substituted heterocyclic rings provide unexpected selectivity for rape.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: October 22, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Larry H. Hageman, Gerald A. Roy, Jr.