Patents by Inventor Stephen L. Hansen

Stephen L. Hansen 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).

  • Fungicidal carboxamides
    Patent number: 7205331
    Abstract: Compounds of Formula I are disclosed which are useful as fungicides wherein X is —O—, —CH(R11)—or ?C(R11)—; R1 is H or C1–C2 alkyl; R2 is H; C1–C6 alkyl; C3–C6 cycloalkyl; or phenyl optionally substituted with halogen, cyano, C1–C2 alkyl or C1–C2 alkoxy; and R3–R11 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula I and a method for controlling plant diseases caused by fungal plant pathogens which involves applying an effective amount of a compound of Formula I.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: April 17, 2007
    Inventors: Gregory Steven Basarab, Douglas Brian Jordan, Thomas Arend Lessen, Stephen L. Hansen
  • Fungicidal carboxamides
    Patent number: 7135585
    Abstract: Compounds of Formula I are disclosed which are useful as fungicides wherein Q is Z is X is —O—, —CH(R11)— or ?C(R11)—; R1 is H or C1–C2 alkyl; R2 is H; C1–C6 alkyl; C3–C6 cycloalkyl; or phenyl optionally substituted with halogen, cyano, C1–C2 alkyl or C1–C2 alkoxy; and R3–R11 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula I and a method for controlling plant diseases caused by fungal plant pathogens which involves applying an effective amount of a compound of Formula I.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: November 14, 2006
    Inventors: Gregory Steven Basarab, Douglas Brian Jordan, Thomas Arend Lessen, Stephen L. Hansen
  • Fungicidal carboxamides
    Patent number: 6642392
    Abstract: Compounds of Formula I are disclosed which are useful as fungicides wherein X is —O—, —CH(R11)— or ═C(R11)—; R1 is H or C1-C2 alkyl; R2 is H; C1-C6 alkyl; C3-C6 cycloalkyl; or phenyl optionally substituted with halogen, cyano, C1-C2 alkyl or C1-C2 alkoxy; and R3-R11 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula I and a method for controlling plant diseases caused by fungal plant pathogens which involves applying an effective amount of a compound of Formula I.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: November 4, 2003
    Assignee: Board of Trustees of the University of Arkansas
    Inventors: Gregory Steven Basarab, Douglas Brian Jordan, Thomas Arend Lessen, Stephen L. Hansen
  • Fungicidal carboxamides
    Patent number: 6251947
    Abstract: Compounds of Formula (I) are disclosed which are useful as fungicides, wherein Q is: (Q−1) or (Q−2), Z is (Z−1); (Z−2); (Z−3) or (Z−4); X is —O—, —CH(R11)— or ═C(R11)—; R1 is H or C1-C2 alkyl; R2 is H; C1-C6 alkyl; C3-C6 cycloalkyl; or phenyl optionally substituted with halogen, cyano, C1-C2 alkyl or C1-C2 alkoxy; and R3-R11 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula (I) and a method for controlling plant diseases caused by fungal plant pathogens which involves applying an effective amount of a compound of Formula (I).
    Type: Grant
    Filed: August 4, 1999
    Date of Patent: June 26, 2001
    Assignee: Board of Trustees of the University of Arkansas
    Inventors: Gregory Steven Basarab, Douglas Brian Jordan, Thomas Arend Lessen, Stephen L. Hansen