Granted Patent
Utility
US 5,101,039 · App. 07/468,567
Azabicycloamino carboxylic acid intermediates
Inventors:
Hansjorg Urbach, Rainer Henning, Volker Teetz, Rolf Geiger, Reinhard Becker, Holger Gaul
Patented Case
View Patent ↗
Granted: Mar 31, 1992
Filed: Jan 23, 1990
Inventors
Hansjorg Urbach
Rainer Henning
Volker Teetz
Rolf Geiger
Reinhard Becker
Holger Gaul
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.