Granted Patent
Utility
US 4,337,356 · App. 06/132,298
Catalytic liquid-phase oxidation of butane
Inventors:
John E. Logsdon, Ben W. Kiff
Patented Case
View Patent ↗
Granted: Jun 29, 1982
Filed: Mar 20, 1980
Inventors
John E. Logsdon
Ben W. Kiff
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.