Granted Patent
Utility
US 5,025,113 · App. 07/471,450
Catalytic preparation of tertiary butyl alcohol from tertiary butyl hydroperoxide
Inventors:
John R. Sanderson, John F. Knifton
Patented Case
View Patent ↗
Granted: Jun 18, 1991
Filed: Jan 29, 1990
Inventors
John R. Sanderson
John F. Knifton
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.