Granted Patent
Utility
US 5,081,267 · App. 07/580,426
Epoxidation process
Inventors:
M. Rameswaran, Robert N. Cochran
Patented Case
View Patent ↗
Granted: Jan 14, 1992
Filed: Sep 13, 1990
Inventors
M. Rameswaran
Robert N. Cochran
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.