Granted Patent
Utility
US 5,550,142 · App. 08/438,130
Phenyl heterocycles as cox-2 inhibitors
Inventors:
Yves Ducharme, Jacques Yves Gauthier, Petpiboon Prasit, Yves LeBlanc, Zhaoyin Wang, Serge Leger, Michel Therien
Patented Case
View Patent ↗
Granted: Aug 27, 1996
Filed: May 8, 1995
Inventors
Yves Ducharme
Jacques Yves Gauthier
Petpiboon Prasit
Yves LeBlanc
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.