Patents Assigned to Mitsubishi Tanbe Pharma Corporation
  • Patent number: 7550464
    Abstract: The present invention provides a novel a condensed polycyclic compound useful as a phosphodiesterase 4 inhibitor, which is shown by the formula [I]: or a pharmaceutically acceptable salt thereof and a pharmaceutical composition containing the same.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: June 23, 2009
    Assignee: Mitsubishi Tanbe Pharma Corporation
    Inventors: Tatsuzo Ukita, Yoshihiro Terakawa, Kazuteru Wada, Aya Nakata, Atsuko Sakai, Koji Ogawa
  • Patent number: 7476758
    Abstract: The present invention provides a process for preparing a novel phenylalanine derivative of the formula (I): wherein X1 is a halogen atom, X2 is a halogen atom, Q is a group of the formula β€”CH2β€” or β€”(CH2)2β€” and Y is a lower alkyl group, or a pharmaceutically acceptable salt thereof, which has excellent inhibitory effects on ?4 integrin-mediated cell adhesion, and an intermediate useful in the process.
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: January 13, 2009
    Assignee: Mitsubishi Tanbe Pharma Corporation
    Inventors: Isao Inoue, Toru Kuroda, Ryuzo Yoshioka