Granted Patent
Utility
US 4,533,662 · App. 06/330,324
2-Acylaminomethyl-1,4-benzodiazepine compounds and analgesic use
Inventors:
Horst Zeugner, Dietmar Roemer, Hans Liepmann, Wolfgang Milkowski
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: Dec 14, 1981
Inventors
Horst Zeugner
Dietmar Roemer
Hans Liepmann
Wolfgang Milkowski
Assignee (at issue)
Kali-Chemie Pharma GmbH
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.