Granted Patent
Utility
US 4,873,380 · App. 07/004,508
Catalyst for removing peroxide contaminants from tertiary butyl alcohol
Inventors:
John R. Sanderson, John M. Larkin
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Jan 20, 1987
Inventors
John R. Sanderson
John M. Larkin
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.