Granted Patent
Utility
US 4,301,253 · App. 06/190,905
Process for the selective production of ethanol and methanol directly from synthesis gas
Inventor:
Barbara K. Warren
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Sep 25, 1980
Inventor
Barbara K. Warren
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.