Granted Patent
Utility
US 5,530,169 · App. 08/326,143
Process for the preparation of saturated, fluorine-containing and chlorine-free hydrocarbons
Inventors:
Dietmar Bielefeldt, Rudolf Braden, Michael Negele, Heinz Ziemann
Patented Case
View Patent ↗
Granted: Jun 25, 1996
Filed: Oct 19, 1994
Inventors
Dietmar Bielefeldt
Rudolf Braden
Michael Negele
Heinz Ziemann
Assignee (at issue)
Bayer Aktiengesellschaft
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.