Granted Patent
Utility
US 4,831,191 · App. 06/867,341
Catalytic conversion of allyl formate to carboxylic acids
Inventor:
John M. Larkin
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: May 23, 1986
Inventor
John M. Larkin
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.