Granted Patent
Utility
US 4,255,591 · App. 05/962,458
Carbonylation process
Inventors:
Earle C. Makin, Jerry L. Price, Yu Wei
Patented Case
View Patent ↗
Granted: Mar 10, 1981
Filed: Nov 20, 1978
Inventors
Earle C. Makin
Jerry L. Price
Yu Wei
Assignee (at issue)
Monsanto 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.