Granted Patent
Utility
US 5,891,467 · App. 08/792,566
Method for utilizing neutral lipids to modify in vivo release from multivesicular liposomes
Inventor:
Randall C. Willis
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Jan 31, 1997
Inventor
Randall C. Willis
Assignee (at issue)
DepoTech Corporation
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.