Granted Patent
Utility
US 6,123,923 · App. 08/993,165
Optoacoustic contrast agents and methods for their use
Inventors:
Evan C. Unger, Yunqiu Wu
Patented Case
View Patent ↗
Granted: Sep 26, 2000
Filed: Dec 18, 1997
Inventors
Evan C. Unger
Yunqiu 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.