Granted Patent
Utility
US 6,180,727 · App. 09/002,271
Capped ester containing epoxy amine adduct curing agents for curing epoxy resins at ambient or sub-ambient temperatures without external catalysts
Inventor:
Kalyan Ghosh
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Dec 31, 1997
Inventor
Kalyan Ghosh
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.