Granted Patent
Utility
US 4,417,010 · App. 06/462,834
Polyol/imidazole curing agents for epoxy resins
Inventor:
David A. Shimp
Patented Case
View Patent ↗
Granted: Nov 22, 1983
Filed: Feb 2, 1983
Inventor
David A. Shimp
Assignee (at issue)
Celanese GmbH
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.