Patents Examined by Johanni Richter
  • Process for producing 2-aminobenzophenone compound
    Patent number: 6310249
    Abstract: A 2-aminobenzophenone represented by formula (2) is obtained by heating an arylsulfonamide represented by formula (1) in the presence of aluminum chloride.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: October 30, 2001
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Hiroo Matsumoto, Takashi Horiuchi