Granted Patent
Utility
US 4,704,482 · App. 06/879,660
Catalytic purification of tertiary butyl alcohol
Inventors:
John R. Sanderson, Edward T. Marquis, Robert A. Meyer, Terry L. Renken
Patented Case
View Patent ↗
Granted: Nov 3, 1987
Filed: Jun 27, 1986
Inventors
John R. Sanderson
Edward T. Marquis
Robert A. Meyer
Terry L. Renken
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.