Patents by Inventor Tetushi Saino

Tetushi Saino 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).

  • Immunopotentiator and spergualin-related compound therefor
    Patent number: 4990536
    Abstract: The present invention provides a use for the preparation of an immunopotentiator of a spergualin-related compound represented by the following general formula [I] or a pharmacologically acceptable salt thereof: ##STR1## wherein X represents ##STR2## or --(CH.sub.2).sub.n --, Y represents a hydrogen atom or a hydroxyl or hydroxymethyl group,n is an integer of 3 or 5, andR represents --(CH.sub.2).sub.4 --R.sub.1 (wherein R.sub.1 is --NH.sub.2 or --OH), --(CH.sub.2).sub.3 --R.sub.2 (wherein R.sub.2 is --COOH or --CHO), --(CH.sub.2).sub.4 --NH--(CH.sub.2).sub.3 --OH or --(CH.sub.2).sub.4 --NH--(CH.sub.2).sub.2 --R.sub.2 (wherein R.sub.2 is as defined above).
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: February 5, 1991
    Assignees: Nippon Kayaku Kabushiki Kaisha, Takara Shuzo Co., Ltd.
    Inventors: Takeji Sakasai, Tsugio Tomiyoshi, Keiko Watanabe, Kyuichi Nemoto, Tetushi Saino, Yoshihisa Umeda