Granted Patent
Utility
US 5,808,136 · App. 08/589,256
Catalyst, method of its production and its use for the production of vinyl acetate monomer
Inventors:
Thomas Tacke, Herbert Mueller, Uwe Ohlrogge, Francis P. Daly, Hans Lansink Rotgerink, Helmfried Krause
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Jan 23, 1996
Inventors
Thomas Tacke
Herbert Mueller
Uwe Ohlrogge
Francis P. Daly
Hans Lansink Rotgerink
Helmfried Krause
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.