Granted Patent
Utility
US 5,344,580 · App. 07/983,691
Oligomers of fluorinated olefins
Inventor:
Konrad von Werner
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Dec 1, 1992
Inventor
Konrad von Werner
Assignee (at issue)
Hoechst GmbH
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.