Granted Patent
Utility
US 4,772,676 · App. 07/122,729
Ambient temperature quasi-polar catalysts of amine curable polymers
Inventors:
Russell W. Koch, Thomas F. Donatelli
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Nov 18, 1987
Inventors
Russell W. Koch
Thomas F. Donatelli
Assignee (at issue)
The Firestone Tire & Rubber 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.