Granted Patent
Utility
US 4,937,159 · App. 07/281,303
Photosensitive materials and compositions containing ionic dye compounds as initiators and thiols as autooxidizers
Inventors:
Peter Gottschalk, Douglas C. Neckers, Gary B. Schuster, Paul C. Adair, S. Peter Pappas
Patented Case
View Patent ↗
Granted: Jun 26, 1990
Filed: Dec 7, 1988
Inventors
Peter Gottschalk
Douglas C. Neckers
Gary B. Schuster
Paul C. Adair
S. Peter Pappas
Assignee (at issue)
The Mead Corporation
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.