Granted Patent
Utility
US 6,696,596 · App. 10/031,264
Catalyst and method for producing vinyl acetate
Inventors:
Bernhard Herzog, Axel Schafer, Karl-Heinz Renkel
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Oct 24, 2001
Inventors
Bernhard Herzog
Axel Schafer
Karl-Heinz Renkel
Assignee (at issue)
CELANESE CHEMICALS EUROPE GMBH
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.