Granted Patent
Utility
US 5,059,591 · App. 07/405,623
Drug preparations of reduced toxicity
Inventors:
Andrew S. Janoff, Mircea C. Popescu, Carl R. Alving, Michael W. Fountain, Robert P. Lenk, Marc J. Ostro, Paul A. Tremblay, Alan L. Weiner
Patented Case
View Patent ↗
Granted: Oct 22, 1991
Filed: Sep 12, 1989
Inventors
Andrew S. Janoff
Mircea C. Popescu
Carl R. Alving
Michael W. Fountain
Robert P. Lenk
Marc J. Ostro
Paul A. Tremblay
Alan L. Weiner
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.