IP Library Granted Patent US 5,658,885
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,658,885
App. No.
08/329,039
Filed
1994-10-25
Granted
1997-08-19
Kind
A