Granted Patent
Utility
US 5,274,138 · App. 08/006,542
Epoxidation process for manufacture of olefin oxide and alcohol
Inventors:
Kenneth P. Keating, Edward T. Marquis, Mark A. Mueller
Patented Case
View Patent ↗
Granted: Dec 28, 1993
Filed: Jan 21, 1993
Inventors
Kenneth P. Keating
Edward T. Marquis
Mark A. Mueller
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.