Granted Patent
Utility
US 4,590,286 · App. 06/791,811
Process for epoxidizing an olefin
Inventor:
Randy A. Bull
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Oct 28, 1985
Inventor
Randy A. Bull
Assignee (at issue)
FMC CORPORATION
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.