Granted Patent
Utility
US 4,608,404 · App. 06/728,469
Epoxy compositions containing oligomeric diamine hardeners and high strength composites therefrom
Inventors:
Hugh C. Gardner, George L. Brode, Robert J. Cotter
Patented Case
View Patent ↗
Granted: Aug 26, 1986
Filed: May 2, 1985
Inventors
Hugh C. Gardner
George L. Brode
Robert J. Cotter
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.