Granted Patent
Utility
US 6,465,509 · App. 09/892,941
Pyrones as inhibitors of cyclooxygenase-2
Inventors:
Chun Sing Li, Cheuk K. Lau, Michel Therien, Petpiboon Prasit
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Jun 27, 2001
Inventors
Chun Sing Li
Cheuk K. Lau
Michel Therien
Petpiboon Prasit
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.