Granted Patent
Utility
US 6,500,461 · App. 09/314,338
Particulate formulations
Inventors:
Walter Perkins, Xingong Li, Donald Hirsh, Eric Mayhew, Imran Ahmad, Shaukat Ali, Andrew S. Janoff
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: May 19, 1999
Inventors
Walter Perkins
Xingong Li
Donald Hirsh
Eric Mayhew
Imran Ahmad
Shaukat Ali
Andrew S. Janoff
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.