Granted Patent
Utility
US 5,543,262 · App. 08/393,969
Benzanthrone polymerization gate in photopolymerizable compositions
Inventors:
Maria T. Sypek, John Delude, Paul A. Perron
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Feb 24, 1995
Inventors
Maria T. Sypek
John Delude
Paul A. Perron
Assignee (at issue)
INTERNATIONAL PAPER 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.