Granted Patent
Utility
US 5,212,180 · App. 07/832,298
Quinoline-containing ketoacids as leukotriene antagonists
Inventor:
Michel Belley
Patented Case
View Patent ↗
Granted: May 18, 1993
Filed: Feb 7, 1992
Inventor
Michel Belley
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.