Granted Patent
Utility
US 6,657,078 · App. 09/778,663
Low energy carbonylation process
Inventors:
Mark O. Scates, George A. Blay, G. Paull Torrence, Jerry A. Broussard
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Feb 7, 2001
Inventors
Mark O. Scates
George A. Blay
G. Paull Torrence
Jerry A. Broussard
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.