Granted Patent
Utility
US 5,776,429 · App. 08/643,070
Method of preparing gas-filled microspheres using a lyophilized lipids
Inventors:
Evan C. Unger, Thomas A. Fritz, Terry Matsunaga, VaradaRajan Ramaswami, David Yellowhair, Guanli Wu
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Apr 30, 1996
Inventors
Evan C. Unger
Thomas A. Fritz
Terry Matsunaga
VaradaRajan Ramaswami
David Yellowhair
Guanli Wu
Assignee (at issue)
ImaRx Pharmaceutical Corp.
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.