Granted Patent
Utility
US 4,629,809 · App. 06/515,749
Process for selectively preparing acetic acid by carbonylation of methanol in the presence of a novel iodide-free catalyst system
Inventors:
Steven H. Vanderpool, Jiang-Jen Lin, Roger G. Duranleau
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Jul 21, 1983
Inventors
Steven H. Vanderpool
Jiang-Jen Lin
Roger G. Duranleau
Assignee (at issue)
Texaco Inc.
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.