Granted Patent
Utility
US 4,618,721 · App. 06/714,308
Process for the preparation of nitrodiphenyl disulfides
Inventor:
Vittore Sartori
Patented Case
View Patent ↗
Granted: Oct 21, 1986
Filed: Mar 21, 1985
Inventor
Vittore Sartori
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.