Granted Patent
Utility
US 4,452,738 · App. 06/498,226
Process for the manufacture of 5-carbamoyl-10-oxo-10,11-dihydro-5H-dibenz[b,]azepine
Inventor:
Ernst Aufderhaar
Patented Case
View Patent ↗
Granted: Jun 5, 1984
Filed: May 26, 1983
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.