Granted Patent
Utility
US 5,905,052 · App. 08/903,368
Vanadyl pyrophosphate oxidation catalyst precursors
Inventors:
Harold S. Horowitz, Eugene Michael McCarron, III
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Jul 30, 1997
Inventors
Harold S. Horowitz
Eugene Michael McCarron, III
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.