Granted Patent
Utility
US 5,233,116 · App. 07/705,435
Process for preparing oligomers having low unsaturation
Inventors:
John R. Sanderson, John F. Knifton, Edward T. Marquis
Patented Case
View Patent ↗
Granted: Aug 3, 1993
Filed: May 24, 1991
Inventors
John R. Sanderson
John F. Knifton
Edward T. Marquis
Assignee (at issue)
Texaco Chemical 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.