Patents Assigned to 501 Sunstar Kabushiki Kaisha
  • Pharmaceutical composition containing interferon in stable state
    Patent number: 4675184
    Abstract: A pharmaceutical composition for treating viral diseases, such as pasta, gargle, gel, ointment, suppository, spray, etc., containing interferon in a stable state which comprises an effective amount of human interferon, 15 to 60% by weight of a tri or higher polyhydric sugar alcohol and an organic acid buffer as stabilizers, and a conventional pharmaceutical carrier or diluent. The pH of the composition is about 3 to 6. Optionally, the composition can further contain as a stabilizer an anionic surfactant and/or albumin.
    Type: Grant
    Filed: January 4, 1984
    Date of Patent: June 23, 1987
    Assignees: 501 Sunstar Kabushiki Kaisha, 502 Toray Industries, Inc.
    Inventors: Kenji Hasegawa, Yasuo Sakano, Yasuhiro Katsuragi, Kenji Aimoto, Kunio Sugihara