Granted Patent
Utility
US 4,601,853 · App. 06/697,995
(2-fluoro-5,6,11,12-tetraselenotetracene).sub.2 chloride
Inventors:
Bruno Hilti, Carl W. Mayer
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Feb 4, 1985
Inventors
Bruno Hilti
Carl W. Mayer
Assignee (at issue)
Ciba-Geigy
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.