Granted Patent
Utility
US 6,566,539 · App. 10/198,424
Catalyst regeneration by treatment with an oxidizing agent
Inventors:
Daniel Campos, Richard E. Ernst, John Byrne Michel
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Jul 18, 2002
Inventors
Daniel Campos
Richard E. Ernst
John Byrne Michel
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.