Granted Patent
Utility
US 4,522,803 · App. 06/476,496
Stable plurilamellar vesicles, their preparation and use
Inventors:
Robert P. Lenk, Michael W. Fountain, Andrew S. Janoff, Marc J. Ostro, Micrea C. Popescu
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: Mar 24, 1983
Inventors
Robert P. Lenk
Michael W. Fountain
Andrew S. Janoff
Marc J. Ostro
Micrea C. Popescu
Assignee (at issue)
The Liposome Company, 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.