Granted Patent
Utility
US 4,772,731 · App. 06/927,476
Epoxidation of olefins with molybdenum dioxo dialkyleneglycolate compositions
Inventors:
Wilfred P. Shum, Charles F. Cooper
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Dec 24, 1986
Inventors
Wilfred P. Shum
Charles F. Cooper
Assignee (at issue)
Arco Chemical Company
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.