Patents by Inventor Ru-Xian Chen

Ru-Xian Chen 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).

  • Patent number: 5698528
    Abstract: A substance IT-62-B represented by the following formula (1): ##STR1## a production process thereof, a medicinal composition comprising the compound as an active component, and methods of treating an infectious disease caused by bacteria and a tumor, in which such a substance is administered.The compound according to the invention has good antibacterial activities against gram-positive bacteria and some of gram-negative bacteria, and also possesses excellent antitumor activities against tumors such as human nasopharyngeal carcinoma, and is hence useful as a medicine.
    Type: Grant
    Filed: February 23, 1996
    Date of Patent: December 16, 1997
    Assignee: Taiho Pharmaceutical Co., Ltd.
    Inventors: Takashi Kawauchi, Toru Sasaki, Hiroshi Matsumoto, Toshio Otani, Ru-Xian Chen, Ming-Yu Huang, Ken-ichiro Yoshida