Granted Patent
Utility
US 4,244,869 · App. 05/888,151
Benzodiazepine derivatives and process of making them
Inventors:
Wolfgang Milkowski, Renke Budden, Siegfried Funke, Rolf Huschens, Hans Liepmann, Werner Stuhmer, Horst Zeugner
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Mar 16, 1978
Inventors
Wolfgang Milkowski
Renke Budden
Siegfried Funke
Rolf Huschens
Hans Liepmann
Werner Stuhmer
Horst Zeugner
Assignee (at issue)
Kalie-Chemie AG
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.