Granted Patent
Utility
US 4,977,511 · App. 07/180,915
Photosensitive materials containing ionic dye compound as initiators
Inventors:
Peter Gottschalk, Douglas C. Neckers, Gary B. Schuster, Paul C. Adair, S. Peter Pappas
Patented Case
View Patent ↗
Granted: Dec 11, 1990
Filed: Apr 13, 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.