Patents by Inventor Yumiko Tsuruma

Yumiko Tsuruma 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).

  • Novel uracil derivatives, process for preparing the same and a pharmaceutical composition containing the same
    Patent number: 4415573
    Abstract: Novel uracil derivatives of the formula ##STR1## (wherein R.sub.1, R.sub.2 R.sub.3 and X are defined in the description) and their pharmaceutically acceptable salts, process for preparing the same and pharmaceutical composition containing the same are disclosed. The uracil derivatives have good antitumor activity and, therefore, are useful as antitumor preparation.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: November 15, 1983
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Kiyoshige Ochi, Katsuhito Miyamoto, Hiroki Mitsui, Yumiko Tsuruma, Isao Matsunaga, Takashi Matsuno, Shigeru Takanashi, Minoru Shindo