Granted Patent
Utility
US 5,602,290 · App. 08/453,646
Pretreatment of dilute ethylene feedstocks for ethylbenzene production
Inventor:
Kevin J. Fallon
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: May 30, 1995
Inventor
Kevin J. Fallon
Assignee (at issue)
Raytheon Engineers & Constructors, 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.