Granted Patent
Utility
US 4,579,683 · App. 06/584,057
5-Cyano-10-isonitroso-10,11-dihydro-5H-dibenz[b,f]azepine
Inventor:
Ernst Aufderhaar
Patented Case
View Patent ↗
Granted: Apr 1, 1986
Filed: Feb 27, 1984
Inventor
Ernst Aufderhaar
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.