Granted Patent
Utility
US 4,626,560 · App. 06/534,165
Novel binding agent compositions, foundry sand compositions and ureido functional organosilicon compounds
Inventors:
James G. Marsden, Enrico J. Pepe
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Sep 21, 1983
Inventors
James G. Marsden
Enrico J. Pepe
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.