Granted Patent
Utility
US 4,865,836 · App. 06/818,690
Brominated perfluorocarbon emulsions for internal animal use for contrast enhancement and oxygen transport
Inventor:
David Long
Patented Case
View Patent ↗
Granted: Sep 12, 1989
Filed: Jan 14, 1986
Inventor
David Long
Assignee (at issue)
Fluoromed Pharmaceutical, 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.