Granted Patent
Utility
US 4,374,237 · App. 06/333,103
Silane-containing isocyanate-terminated polyurethane polymers
Inventors:
Mitchell H. Berger, Walter Mayer, Robert J. Ward
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Dec 21, 1981
Inventors
Mitchell H. Berger
Walter Mayer
Robert J. Ward
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.