Granted Patent
Utility
US 5,789,413 · App. 08/786,517
Alkylated styrenes as prodrugs to COX-2 inhibitors
Inventors:
Cameron Black, Erich L. Grimm, Serge Leger, Greg Hughes, Petpiboon Prasit, Zhaoyin Wang
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Jan 21, 1997
Inventors
Cameron Black
Erich L. Grimm
Serge Leger
Greg Hughes
Petpiboon Prasit
Zhaoyin Wang
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.