Granted Patent
Utility
US 4,554,342 · App. 06/635,984
Heat-curable compositions comprising an epoxy resin, an amine and a sulfonium salt
Inventor:
Larry S. Corley
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: Jul 30, 1984
Inventor
Larry S. Corley
Assignee (at issue)
SHELL OIL 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.