Granted Patent
Utility
US 4,891,208 · App. 06/773,429
Steroidal liposomes
Inventors:
Andrew S. Janoff, Mircea C. Popescu, Alan L. Weiner, Lois E. Bolscak, Paul A. Tremblay, Christine E. Swenson
Patented Case
View Patent ↗
Granted: Jan 2, 1990
Filed: Sep 10, 1985
Inventors
Andrew S. Janoff
Mircea C. Popescu
Alan L. Weiner
Lois E. Bolscak
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.