Granted Patent
Utility
US 6,303,813 · App. 09/386,708
Rhodium/inorganic iodide catalyst system for methanol carbonylation process with improved impurity profile
Inventors:
Mark O. Scates, Valerie Santillan, Pramod Agrawal, G. Paull Torrence, R. Jay Warner
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Aug 31, 1999
Inventors
Mark O. Scates
Valerie Santillan
Pramod Agrawal
G. Paull Torrence
R. Jay Warner
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.