Granted Patent
Utility
US 5,278,152 · App. 08/019,822
2-formylbenzylphosphonic acid derivatives useful for the treatment of diseases caused by viruses
Inventors:
Anuschirwan Peyman, Eugen Uhlmann, Irvin Winkler, Matthias Helsberg, Christoph Meichsner
Patented Case
View Patent ↗
Granted: Jan 11, 1994
Filed: Feb 18, 1993
Inventors
Anuschirwan Peyman
Eugen Uhlmann
Irvin Winkler
Matthias Helsberg
Christoph Meichsner
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.