Patents by Inventor Leonard P. Dintenfass

Leonard P. Dintenfass 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).

  • 3-(substituted pyridyl)-1,2,4-triazole compounds
    Patent number: 6413992
    Abstract: Compounds of the formula wherein one of X and Y is lower alkyl, haloalkyl, lower alkenyl, lower alkynyl, or alkoxyalkyl; and the other of X and Y is optionally substituted phenyl, pyridyl, thienyl, cyclopropyl, or thiazolyl; and Z is subtituted pyridyl are useful as insecticides and acaricides. New synthetic procedures and intermediates for preparing the compounds, pesticide compositions containing the compounds, and methods of controlling insects and mites using the compounds are also provided.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: July 2, 2002
    Assignee: Dow AgroSciences LLC
    Inventors: Francis E. Tisdell, Peter L. Johnson, James T. Pechacek, Scott J. Bis, Vidyadhar B. Hegde, Joe R. Schoonover, Jr., Leonard P. Dintenfass, James M. Gifford, Donald H. DeVries, Timothy P. Martin, Perry V. Ripa
  • 3-(substituted phenyl)-5-thienyl-1,2,4-triazole compounds with activity against whitefly
    Patent number: 6265424
    Abstract: 3-(Substituted phenyl)-5-(thienyl)-1,2,4-triazole compounds are useful as insecticides and acaricides.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: July 24, 2001
    Assignee: Dow AgroSciences LLC
    Inventors: Francis E. Tisdell, James T. Pechacek, Vidyadhar B. Hegde, Joe R. Schoonover, Jr., Leonard P. Dintenfass, James M. Gifford, Maurice C. Yap, Donald H. DeVries, Christopher T. Hamilton, Norman R. Pearson, Mary L. Ash
  • 3-(substituted phenyl)-5-(substituted cyclopropyl)-1,2,4-triazole compounds
    Patent number: 6262099
    Abstract: 3-(Substituted phenyl)-5-(substituted cyclopropyl)-1,2,4-triazole compounds are useful as insecticides and acaricides. New synthetic procedures and intermediates for preparing the compounds, pesticide compositions containing the compounds, and methods of controlling insects and mites using the compounds are also provided.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: July 17, 2001
    Assignee: Dow AgroSciences LLC
    Inventors: Francis E. Tisdell, Joe R. Schoonover, Jr., James T. Pechacek, Perry V. Ripa, Leonard P. Dintenfass, Timothy P. Martin, Donald H. DeVries, Mary L. Ash, James M. Gifford, Maurice C. Yap