Granted Patent
Utility
US 4,985,550 · App. 07/078,626
Polyhydroxylated and highly fluorinated compounds, their preparation and their use as surfactants
Inventors:
Brigitte Charpiot, Jacques Greiner, Maurice Le Blanc, Alexandre Manfredi, Jean G. Riess, Leila Zarif
Patented Case
View Patent ↗
Granted: Jan 15, 1991
Filed: Jul 28, 1987
Inventors
Brigitte Charpiot
Jacques Greiner
Maurice Le Blanc
Alexandre Manfredi
Jean G. Riess
Leila Zarif
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.