Granted Patent
Utility
US 6,448,274 · App. 09/864,943
Fluoroalkoxy-substituted benzamide dichloropyridinyl N-oxide PDE4 inhibitor
Inventors:
Richard Friesen, Yves Ducharme, Yves Girard, Chun Sing Li, Annette Robichoud
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: May 24, 2001
Inventors
Richard Friesen
Yves Ducharme
Yves Girard
Chun Sing Li
Annette Robichoud
Assignee (at issue)
Merck Frosst Canada Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.