Granted Patent
Utility
US 4,211,719 · App. 06/009,352
Catalytic process for polyhydric alcohols and derivatives
Inventors:
Wellington E. Walker, David R. Bryant, Earle S. Brown, Jr.
Patented Case
View Patent ↗
Granted: Jul 8, 1980
Filed: Feb 5, 1979
Inventors
Wellington E. Walker
David R. Bryant
Earle S. Brown, Jr.
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.