Granted Patent
Utility
US 4,895,880 · App. 07/098,358
Photocurable compositions containing photobleachable ionic dye complexes
Inventors:
Peter Gottschalk, Douglas C. Neckers, Gary B. Schuster
Patented Case
View Patent ↗
Granted: Jan 23, 1990
Filed: Sep 18, 1987
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.