Granted Patent
Utility
US 5,480,978 · App. 08/282,409
Process for the removal of alcohols
Inventors:
Wilhelm Johannisbauer, Hermann Koerner, Michael Nitsche
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Jul 28, 1994
Inventors
Wilhelm Johannisbauer
Hermann Koerner
Michael Nitsche
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.