Granted Patent
Utility
US 6,509,291 · App. 09/829,624
Process for sulfiding a catalyst containing an S-containing additive
Inventor:
Sonja Eijsbouts
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Apr 10, 2001
Inventor
Sonja Eijsbouts
Assignee (at issue)
AKZO NOBEL N.V.
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.