Granted Patent
Utility
US 5,141,839 · App. 07/676,130
Lithographic printing plates having a radiation-sensitive layer comprising a photocrosslinkable polymer, a leuco dye, a photooxidant and a heteroaromatic amine n-oxide
Inventors:
James E. Mitchell, Paul R. West, Paul R. Josephson, Jr.
Patented Case
View Patent ↗
Granted: Aug 25, 1992
Filed: Mar 27, 1991
Inventors
James E. Mitchell
Paul R. West
Paul R. Josephson, Jr.
Assignee (at issue)
EASTMAN KODAK 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.