Granted Patent
Utility
US 4,434,308 · App. 06/372,492
Manufacture of synthetic lubricant additives from internal olefins using boron trifluoride catalysis
Inventors:
John M. Larkin, Lewis W. Watts, Jr., Edward T. Marquis
Patented Case
View Patent ↗
Granted: Feb 28, 1984
Filed: Apr 28, 1982
Inventors
John M. Larkin
Lewis W. Watts, Jr.
Edward T. Marquis
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.