Granted Patent
Utility
US 5,225,084 · App. 07/761,959
Process for the separation of two liquid immiscible organic components using a fibre bed as a coalescence aid
Inventors:
Georg Assmann, Bernhard Gutsche, Wilhelm Johannisbauer, Richard Ridinger, Jean-Pierre Rigal, Rene Armengaud, Bernard Cormary
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Oct 17, 1991
Inventors
Georg Assmann
Bernhard Gutsche
Wilhelm Johannisbauer
Richard Ridinger
Jean-Pierre Rigal
Rene Armengaud
Bernard Cormary
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.