Granted Patent
Utility
US 6,239,173 · App. 09/443,000
3-phenyl-4-(4(methylsulfonyl)phenyl)-2-(5H)-furanone as a cox-2 inhibitor
Inventors:
Zhaoyin Wang, Michel Therien
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Nov 18, 1999
Inventors
Zhaoyin Wang
Michel Therien
Assignee (at issue)
Merck Frosst Canada Inc./Merck Frosst Canada & Co.
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.