Granted Patent
Utility
US 4,333,852 · App. 06/280,375
Catalyst for the selective production of ethanol and methanol directly from synthesis gas
Inventor:
Barbara K. Warren
Patented Case
View Patent ↗
Granted: Jun 8, 1982
Filed: Jul 6, 1981
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.