Granted Patent
Utility
US 5,166,371 · App. 07/743,001
Asymmetric epoxidation using a chiral hydroperoxide
Inventors:
Wilfred P. Shum, Haven S. Kesling, Jr., John G. Zajacek
Patented Case
View Patent ↗
Granted: Nov 24, 1992
Filed: Aug 9, 1991
Inventors
Wilfred P. Shum
Haven S. Kesling, Jr.
John G. Zajacek
Assignee (at issue)
Arco Chemical Technology, L.P.
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.