Granted Patent
Utility
US 4,282,344 · App. 06/096,563
Polyurethane curing agent dispersion, process and product
Inventor:
Paul Caruso
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: Nov 21, 1979
Inventor
Paul Caruso
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.