Granted Patent
Utility
US 4,507,493 · App. 06/628,351
Carbonylation process for the production of aromatic acids and derivatives thereof
Inventors:
Carl M. Lentz, James R. Overton, David D. Cornell
Patented Case
View Patent ↗
Granted: Mar 26, 1985
Filed: Jul 6, 1984
Inventors
Carl M. Lentz
James R. Overton
David D. Cornell
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.