Granted Patent
Utility
US 4,381,407 · App. 06/228,452
Process for the continuous production of triacetin
Inventors:
Norbert Bremus, Gerhard Dieckelmann, Lutz Jeromin, Wolfgang Rupilius, Hartwig Schutt
Patented Case
View Patent ↗
Granted: Apr 26, 1983
Filed: Jan 26, 1981
Inventors
Norbert Bremus
Gerhard Dieckelmann
Lutz Jeromin
Wolfgang Rupilius
Hartwig Schutt
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.