Granted Patent
Utility
US 5,783,514 · App. 08/307,759
Shell catalyst, a process for its production and its use
Inventors:
Klaus Schick, Franz-Josef Carduck, Gerd Goebel, Hans-Georg Rollberg
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Sep 26, 1994
Inventors
Klaus Schick
Franz-Josef Carduck
Gerd Goebel
Hans-Georg Rollberg
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.