Granted Patent
Utility
US 4,975,282 · App. 07/122,613
Multilamellar liposomes having improved trapping efficiencies
Inventors:
Pieter R. Cullis, Marcel Bally, Michael J. Hope, Andrew S. Janoff, Lawrence Mayer
Patented Case
View Patent ↗
Granted: Dec 4, 1990
Filed: Nov 17, 1987
Inventors
Pieter R. Cullis
Marcel Bally
Michael J. Hope
Andrew S. Janoff
Lawrence Mayer
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.