Granted Patent
Utility
US 4,649,216 · App. 06/889,458
Carbonylation process for the production of aromatic acids
Inventors:
Mark Rule, Thomas H. Larkins, Jr., Donald W. Lane, Guy R. Steinmetz
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Jul 25, 1986
Inventors
Mark Rule
Thomas H. Larkins, Jr.
Donald W. Lane
Guy R. Steinmetz
Assignee (at issue)
EASTMAN KODAK COMPANY
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.