Granted Patent
Utility
US 6,740,615 · App. 09/745,510
Regeneration of used supported noble metal catalysts
Inventor:
Bing Zhou
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Dec 22, 2000
Inventor
Bing Zhou
Assignee (at issue)
Hydrocarbon Technologies
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.