Granted Patent
Utility
US 4,252,941 · App. 06/072,289
Ergot derivatives
Inventors:
Sergio Mantegani, Giuliana Arcari, Anna M. Caravaggi, Germano Bosisio
Patented Case
View Patent ↗
Granted: Feb 24, 1981
Filed: Sep 4, 1979
Inventors
Sergio Mantegani
Giuliana Arcari
Anna M. Caravaggi
Germano Bosisio
Assignee (at issue)
Farmitalia Carlo Erba S.p.A.
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.