Patents Examined by Zohrer Fay
  • Patent number: 5663170
    Abstract: A composition for eye drops comprising as a main effective component 3,4-dihydro-2,8-diisopropyl-3-thioxo-2H-1,4-benzoxadine-4-acetic acid or a pharmaceutically acceptable salt thereof and cyclodextrin is disclosed.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: September 2, 1997
    Assignee: Senju Pharmaceutical Co., Ltd.
    Inventors: Kazumichi Ushio, Yoshifumi Ikejiri