Granted Patent
Utility
US 4,366,259 · App. 06/316,195
Production of acetic acid and propionic acid and their esters
Inventors:
John F. Knifton, Jiang-Jen Lin
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Oct 29, 1981
Inventors
John F. Knifton
Jiang-Jen Lin
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.