Granted Patent
Utility
US 4,746,718 · App. 07/034,553
Novel oligomeric diamine hardeners and their use for curing epoxy resin systems
Inventors:
Hugh C. Gardner, Linda A. Domeier
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Apr 6, 1987
Inventors
Hugh C. Gardner
Linda A. Domeier
Assignee (at issue)
Amoco 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.