Granted Patent
Utility
US 5,284,988 · App. 07/938,566
Preparation of synthetic oils from vinylidene olefins and alpha-olefins
Inventors:
Robert A. Schaerl, Jr., Ali M. Dadgar, Carroll W. Lanier
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Aug 28, 1992
Inventors
Robert A. Schaerl, Jr.
Ali M. Dadgar
Carroll W. Lanier
Assignee (at issue)
Ethyl Corporation
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.