Granted Patent
Utility
US 5,880,295 · App. 08/666,032
Process for the preparation of diamine intermediates useful in the synthesis of HIV protease inhibitors
Inventor:
Robert F. Kaltenbach, III
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Jun 19, 1996
Inventor
Robert F. Kaltenbach, III
Assignee (at issue)
Dupont Pharmaceuticals
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.