Granted Patent
Utility
US 4,359,405 · App. 06/218,603
Solvent conditioning of phosphorus-vanadium-oxygen catalysts
Inventors:
Ramon A. Mount, Warn D. Robinson
Patented Case
View Patent ↗
Granted: Nov 16, 1982
Filed: Dec 22, 1980
Inventors
Ramon A. Mount
Warn D. Robinson
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.