Granted Patent
Utility
US 4,783,386 · App. 07/002,345
Use of anthracyanine and phenanthracyanine chromophores in optical information media
Inventors:
David E. Nikles, R. Sidney Jones, Jr., James E. Kuder
Patented Case
View Patent ↗
Granted: Nov 8, 1988
Filed: Jan 12, 1987
Inventors
David E. Nikles
R. Sidney Jones, Jr.
James E. Kuder
Assignee (at issue)
Hoechst Celanese 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.