IP Library Granted Patent US 4,244,869
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.

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Quick Facts
Patent No.
US 4,244,869
App. No.
05/888,151
Filed
1978-03-16
Granted
1981-01-13
Kind
A