Granted Patent
Utility
US 4,742,179 · App. 06/926,159
Catalytic removal of peroxide contaminants from tertiary butyl alcohol
Inventors:
John R. Sanderson, Robert M. Gipson, Kenneth P. Keating, Edward T. Marquis
Patented Case
View Patent ↗
Granted: May 3, 1988
Filed: Nov 3, 1986
Inventors
John R. Sanderson
Robert M. Gipson
Kenneth P. Keating
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.