Granted Patent
Utility
US 5,710,261 · App. 08/594,506
Process for the separation of alcohols by distillation
Inventors:
Wilhelm Johannisbauer, Michael Nitsche, Lutz Jeromin
Patented Case
View Patent ↗
Granted: Jan 20, 1998
Filed: Jan 31, 1996
Inventors
Wilhelm Johannisbauer
Michael Nitsche
Lutz Jeromin
Assignee (at issue)
Henkel Kommanditgesellschaft auf Aktien
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.