Granted Patent
Utility
US 6,663,898 · App. 10/125,836
Carbon-substituted diketopiperazine delivery systems
Inventor:
Sam J. Milstein
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Apr 19, 2002
Inventor
Sam J. Milstein
Assignee (at issue)
Emisphere Technologies, Inc.
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.