Granted Patent
Utility
US 4,374,752 · App. 06/279,158
Catalyst and process for the conversion of methanol to acetaldehyde
Inventors:
Benny J. Argento, Wellington E. Walker, Rocco A. Fiato
Patented Case
View Patent ↗
Granted: Feb 22, 1983
Filed: Jun 30, 1981
Inventors
Benny J. Argento
Wellington E. Walker
Rocco A. Fiato
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.