Granted Patent
Utility
US 6,497,811 · App. 09/661,053
Reduction of sulphur content in FCC-naphtha
Inventors:
Trond Myrstad, Bente Boe, Erling Rytter, Hege Engan, Avelino Corma, Fernando Rey
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Sep 13, 2000
Inventors
Trond Myrstad
Bente Boe
Erling Rytter
Hege Engan
Avelino Corma
Fernando Rey
Assignee (at issue)
Den Norske Stats Oljeselskap A.S.
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.