Granted Patent
Utility
US 4,014,913 · App. 05/590,717
Process for producing oxygenated two carbon compounds
Inventors:
Paul C. Ellgen, Madan M. Bhasin
Patented Case
View Patent ↗
Granted: Mar 29, 1977
Filed: Jun 26, 1975
Inventors
Paul C. Ellgen
Madan M. Bhasin
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.