Granted Patent
Utility
US 5,565,473 · App. 08/392,592
Unsaturated hydroxyalkylquinoline acids as leukotriene antagonists
Inventors:
Michel Belley, Serge Leger, Marc Labelle, Patrick Roy, Yi Bin Xiang, Daniel Guay
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Feb 23, 1995
Inventors
Michel Belley
Serge Leger
Marc Labelle
Patrick Roy
Yi Bin Xiang
Daniel Guay
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.