Patents by Inventor Hirotane Kagawa

Hirotane Kagawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Stable freeze-dried preparations of an anticancer platinum complex
    Patent number: 4767874
    Abstract: Stable freeze-dried preparations of an anticancer platinum complex, i.e. glycolato-cis-diammineplatinum (II), containing at least one member selected from the group consisting of glucan, water-soluble vinyl polymer, and polyethylene glycol as stabilizers, are very useful in the treatment of various cancers.
    Type: Grant
    Filed: September 10, 1986
    Date of Patent: August 30, 1988
    Assignee: Shionogi & Co., Ltd.
    Inventors: Kazuhiro Shima, Takayuki Tsukada, Hirotane Kagawa