Granted Patent
Utility
US 4,417,082 · App. 06/389,740
Thermal treatment of olefin oligomers via a boron trifluoride process to increase their molecular weight
Inventors:
John M. Larkin, Lewis W. Watts, Jr.
Patented Case
View Patent ↗
Granted: Nov 22, 1983
Filed: Jun 18, 1982
Inventors
John M. Larkin
Lewis W. Watts, Jr.
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.