The Phosphorus And Nitrogen Are Members Of The Same Ring Patents (Class 564/13)
  • Patent number: 4272278
    Abstract: This disclosure relates to novel 1-methyl-2-aryl-2,3-dihydro-1H-2, 1-benzazaphosphole-1-oxides which are useful as herbicides. This disclosure further relates to herbicidal compositions containing such benzazaphospholes and to herbicidal methods employing such compounds and compositions.
    Type: Grant
    Filed: May 12, 1980
    Date of Patent: June 9, 1981
    Assignee: Monsanto Company
    Inventors: Mark T. Beeny, James A. Miles