Granted Patent
Utility
US 5,185,455 · App. 07/836,434
Method for improving the performance of VPO catalysts
Inventor:
Jerry R. Ebner
Patented Case
View Patent ↗
Granted: Feb 9, 1993
Filed: Feb 18, 1992
Inventor
Jerry R. Ebner
Assignee (at issue)
Monsanto 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.