Granted Patent
Utility
US 4,772,530 · App. 06/944,305
Photosensitive materials containing ionic dye compounds as initiators
Inventors:
Peter Gottschalk, Douglas C. Neckers, Gary B. Schuster
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Dec 18, 1986
Inventors
Peter Gottschalk
Douglas C. Neckers
Gary B. Schuster
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.