Granted Patent
Utility
US 5,552,156 · App. 08/407,989
Liposomal and micellular stabilization of camptothecin drugs
Inventor:
Thomas Burke
Patented Case
View Patent ↗
Granted: Sep 3, 1996
Filed: Mar 22, 1995
Inventor
Thomas Burke
Assignee (at issue)
OHIO STATE UNIVERSITY
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.