Granted Patent
Utility
US 4,547,484 · App. 06/654,428
Method of preparing a catalyst for the oxidation and ammoxidation of olefins
Inventor:
Tao Li
Patented Case
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Granted: Oct 15, 1985
Filed: Sep 26, 1984
Inventor
Tao Li
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.