Granted Patent
Utility
US 4,325,957 · App. 06/219,487
2-Acylaminomethyl-1,4-benzodiazepine derivatives and their salts and pharmaceutical compositions thereof
Inventors:
Horst Zeugner, Dietmar Roemer, Hans Liepmann, Wolfgang Milkowski
Patented Case
View Patent ↗
Granted: Apr 20, 1982
Filed: Dec 23, 1980
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.