Granted Patent
Utility
US 5,569,536 · App. 08/572,199
Mannich base curing agents
Inventors:
Joe Hunter, Derek Scott Kincaid
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: Dec 13, 1995
Inventors
Joe Hunter
Derek Scott Kincaid
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.