Granted Patent
Utility
US 5,151,433 · App. 07/274,598
Stabilized medicinal substances, a process for the preparation thereof, and stable medicinal formulations
Inventors:
Werner Fulbreth, Richard Leeb, Manfred Radau, Willi Stammberger
Patented Case
View Patent ↗
Granted: Sep 29, 1992
Filed: Nov 22, 1988
Inventors
Werner Fulbreth
Richard Leeb
Manfred Radau
Willi Stammberger
Assignee (at issue)
Hoechst 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.