Patents by Inventor Joel L. Kirkpatrick

Joel L. Kirkpatrick 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).

  • Method of controlling sicklepod in soybeans
    Patent number: 4066436
    Abstract: Broadleaf weeds, including sicklepod are selectively controlled in soybean fields by applying post-emergently to the plant foliage one of a restricted class of 5-chlorobenzylthio-1,3,4-thiadiazolylurea compounds, for example, 1,1,3-trimethyl-3-(5-p-chlorobenzylthio-1,3,4-thiadiazol-2-yl)urea.
    Type: Grant
    Filed: June 30, 1976
    Date of Patent: January 3, 1978
    Assignee: Gulf Oil Corporation
    Inventor: Joel L. Kirkpatrick
  • Method of killing insects employing a certain triazole
    Patent number: 4066774
    Abstract: Insects of the orders Coleoptera and Orthoptera are selectively killed in the presence of living plants by applying to the locus of the insects an effective amount of 1-N,N-dimethylcarbamyl-3-tert.butyl-5-methylthio-1,2,4-triazole.
    Type: Grant
    Filed: March 1, 1976
    Date of Patent: January 3, 1978
    Assignee: Gulf Oil Corporation
    Inventor: Joel L. Kirkpatrick
  • 1-Dimethylcarbamyl-3-branched alkyl-1,2,4-triazol-5-yl-(N-substituted) sulfonamides and their use as insecticides
    Patent number: 4038387
    Abstract: Triazolylsulfonamides of a limited class are substantially non-phytotoxic and are useful as insecticides. For example 1-N,N-dimethylcarbamyl-3-tert.butyl-1,2,4-triazol-5-yl-N,N-dimethylsulfona mide is effective in aphid control, both by foliar application and systemically.
    Type: Grant
    Filed: January 22, 1976
    Date of Patent: July 26, 1977
    Assignee: Gulf Oil Corporation
    Inventors: William C. Doyle, Jr., Joel L. Kirkpatrick
  • 1-Dimethylcarbamyl-3-branched alkyl-1,2,4-triazol-5-yl-(N-substituted) sulfonamides and use as insecticides
    Patent number: 3973028
    Abstract: Triazolylsulfonamides of a limited class are substantially non-phytotoxic and are useful as insecticides. For example 1-N,N-dimethylcarbamyl-3-tert.butyl-1,2,4-triazol-5-yl-N,N-dimethylsulfona mide is effective in aphid control, both by foliar application and systemically.
    Type: Grant
    Filed: October 10, 1974
    Date of Patent: August 3, 1976
    Assignee: Gulf Oil Corporation
    Inventors: William C. Doyle, Jr., Joel L. Kirkpatrick