Granted Patent
Utility
US 4,250,116 · App. 06/105,406
Production of methyl and ethylamines with rhodium-iron catalysts
Inventor:
William J. Bartley
Patented Case
View Patent ↗
Granted: Feb 10, 1981
Filed: Dec 19, 1979
Inventor
William J. Bartley
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.