Granted Patent
Utility
US 4,987,154 · App. 07/082,846
Biocompatible, stable and concentrated fluorocarbon emulsions for contrast enhancement and oxygen transport in internal animal use
Inventor:
David Long
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: Aug 5, 1987
Inventor
David Long
Assignee (at issue)
Alliance 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.