Granted Patent
Utility
US 4,336,377 · App. 06/116,196
Basic dioxazine compounds
Inventors:
Jean-Marie Adam, Pierre Galafassi
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Jan 28, 1980
Inventors
Jean-Marie Adam
Pierre Galafassi
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.