Granted Patent
Utility
US 6,498,259 · App. 10/046,502
Direct epoxidation process using a mixed catalyst system
Inventors:
Roger A. Grey, C. Andrew Jones
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Oct 19, 2001
Inventors
Roger A. Grey
C. Andrew Jones
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.