Granted Patent
Utility
US 4,922,033 · App. 07/094,171
Preparation of tertiary butyl alcohol by the catalytic decomposition of tertiary butyl hydroperoxide
Inventors:
John R. Sanderson, John F. Knifton, Edward T. Marquis
Patented Case
View Patent ↗
Granted: May 1, 1990
Filed: Sep 8, 1987
Inventors
John R. Sanderson
John F. Knifton
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.