Granted Patent
Utility
US 6,790,983 · App. 10/258,836
Integrated process for the production of vinyl acetate
Inventors:
Sabine Zeyss, Uwe Dingerdissen, John R. Fritch
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Nov 19, 2002
Inventors
Sabine Zeyss
Uwe Dingerdissen
John R. Fritch
Assignee (at issue)
Celanese International Corporation
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.