Granted Patent
Utility
US 6,337,300 · App. 09/081,568
Shaped metal fixed-bed catalyst, a process for its preparation and its use
Inventors:
Jorg Sauer, Thomas Haas, Bruno Keller, Andreas Freund, Werner Burkhardt, Dietrich Michelchen, Monika Berweiler
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: May 19, 1998
Inventors
Jorg Sauer
Thomas Haas
Bruno Keller
Andreas Freund
Werner Burkhardt
Dietrich Michelchen
Monika Berweiler
Assignee (at issue)
Degussa AG
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.