Patents Examined by Taopiq Solola
  • Tricyclic protein kinase inhibitors
    Patent number: 6638929
    Abstract: This invention provides compounds of formula 1, having the structure which are useful as inhibitors of protein tyrosine kinase and are antiproliferative agents.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: October 28, 2003
    Assignee: Wyeth
    Inventors: Dan M. Berger, Minu D. Dutia, Frenel F. DeMorin, Diane H. Boschelli, Dennis W. Powell, Hwei-Ru Tsou, Allan Wissner, Nan Zhang, Fei Ye, Biqi Wu