Granted Patent
Utility
US 5,874,451 · App. 08/053,513
Propanolamine derivatives, processes for their preparation, pharmaceuticals comprising these compounds, and their use
Inventors:
Heiner Glombik, Alfons Enhsen, Werner Kramer, Karl-Heinz Baringhaus
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Apr 2, 1998
Inventors
Heiner Glombik
Alfons Enhsen
Werner Kramer
Karl-Heinz Baringhaus
Assignee (at issue)
Hoechst Marion Roussel Deutschland 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.