Granted Patent
Utility
US 5,691,374 · App. 08/443,620
Diaryl-5-oxygenated-2-(5H) -furanones as COX-2 inhibitors
Inventors:
Cameron Black, Erich L. Grimm, Zhaoyin Wang, Serge Leger
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: May 18, 1995
Inventors
Cameron Black
Erich L. Grimm
Zhaoyin Wang
Serge Leger
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.