Granted Patent
Utility
US 5,521,213 · App. 08/297,461
Diaryl bicyclic heterocycles as inhibitors of cyclooxygenase-2
Inventors:
Petpiboon Prasit, Daniel Guay, Zhaoyin Wang, Serge Leger, Michel Therien
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Aug 29, 1994
Inventors
Petpiboon Prasit
Daniel Guay
Zhaoyin Wang
Serge Leger
Michel Therien
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.