Granted Patent
Utility
US 4,436,660 · App. 06/378,464
Process for the production of 5-cyano-and 5-carboxamido-5H-dibenz[b,f]azepines
Inventors:
Ernst Aufderhaar, Klemenz Sprecher, Janos Zergenyi
Patented Case
View Patent ↗
Granted: Mar 13, 1984
Filed: May 14, 1982
Inventors
Ernst Aufderhaar
Klemenz Sprecher
Janos Zergenyi
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.