Granted Patent
Utility
US 5,658,885 · App. 08/329,039
Amidino and guanidino substituted boronic acid inhibitors of trypsin-like enzymes
Inventors:
Sheng-Lian O. Lee, David J. Carini, John M. Fevig, Charles A. Kettner, Padmaja Mantri, Zixia Feng
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Oct 25, 1994
Inventors
Sheng-Lian O. Lee
David J. Carini
John M. Fevig
Charles A. Kettner
Padmaja Mantri
Zixia Feng
Assignee (at issue)
The DuPont Merck Pharmaceutical Company
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.