Granted Patent
Utility
US 5,763,469 · App. 08/701,112
Substituted cyclic ureas and derivatives thereof useful as retroviral protease inhibitors
Inventor:
George V. DeLucca
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Aug 21, 1996
Inventor
George V. DeLucca
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.