Granted Patent
Utility
US 4,244,889 · App. 06/105,244
Production of acetamides with rhodium-manganese catalysts
Inventors:
William J. Bartley, George L. O'Connor
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Dec 19, 1979
Inventors
William J. Bartley
George L. O'Connor
Assignee (at issue)
Union Carbide Corporation
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.