Patents Assigned to Nihon Tokushu Boyaku Seizo K.K.
  • Fungicidal novel N-benzyl-N-(2-norbornyl)-ureas
    Patent number: 4564638
    Abstract: Fungicidally active novel benzylurea derivatives of the formula ##STR1## in which R.sup.1 is a halogen atom or a lower alkyl group,X is an oxygen or sulfur atom, andR.sup.2 is an alkyl group, a cycloalkyl group having 5 to 8 carbon atoms, or a phenyl group which may be substituted by at least one member of the class consisting of halogen atoms, lower alkyl groups, lower alkoxy groups and hydroxyl groups.
    Type: Grant
    Filed: June 10, 1983
    Date of Patent: January 14, 1986
    Assignee: Nihon Tokushu Boyaku Seizo K.K.
    Inventors: Yasuo Yamada, Junichi Saito, Tatsuo Tamura, Shinji Sakawa