Granted Patent
Utility
US 5,840,822 · App. 08/922,244
Mono(hydroxyalkyl)urea and oxazolidone crosslinking agents
Inventors:
Sharon P. Lee, Steven P. Pauls, Sr.
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Sep 2, 1997
Inventors
Sharon P. Lee
Steven P. Pauls, Sr.
Assignee (at issue)
National Starch and Chemical Investment Holding Copporation
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.