Granted Patent
Utility
US 4,845,251 · App. 07/055,215
Epoxidation in the presence of molybdenum/alkali metal/ethylene glycol complexes [useful as epoxidation catalysts]
Inventors:
Edward T. Marquis, John R. Sanderson, Kenneth P. Keating
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: May 28, 1987
Inventors
Edward T. Marquis
John R. Sanderson
Kenneth P. Keating
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.