Granted Patent
Utility
US 5,604,260 · App. 08/147,804
5-methanesulfonamido-1-indanones as an inhibitor of cyclooxygenase-2
Inventors:
Daniel Guay, Chun Sing Li
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Nov 4, 1993
Inventors
Daniel Guay
Chun Sing Li
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.