Granted Patent
Utility
US 5,288,499 · App. 07/758,587
Sterodial liposomes
Inventors:
Andrew S. Janoff, Mircea C. Popescu, Alan L. Weiner, Lois E. Bolcsak, Paul A. Tremblay, Christine E. Swenson
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Sep 12, 1991
Inventors
Andrew S. Janoff
Mircea C. Popescu
Alan L. Weiner
Lois E. Bolcsak
Paul A. Tremblay
Christine E. Swenson
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.