Patents Assigned to Merck Frost Canada Ltd.
  • 4-Oxo-1-3-substituted phenyl-1,4-dihydro-1,8-naphthyridine-3-carboxamide phosphodiesterase-4 inhibitors
    Patent number: 7342024
    Abstract: Compounds represented by Formula (I): or a pharmaceutically acceptable salt thereof, are phosphodiesterase 4 inhibitors useful in the treatment of asthma and inflammation and useful for the enhancement of cognition
    Type: Grant
    Filed: November 19, 2003
    Date of Patent: March 11, 2008
    Assignee: Merck Frost Canada Ltd.
    Inventors: Daniel Dube, Michel Gallant, Patrick Lacombe, Renee Aspiotis, Laurence Dube, Yves Girard, Dwight Macdonald