Granted Patent
Utility
US 4,547,500 · App. 06/493,335
Ergot peptide derivatives, their preparation and pharmaceutical compositions containing them
Inventors:
Georg Bolliger, Peter Stutz
Patented Case
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Granted: Oct 15, 1985
Filed: May 10, 1983
Inventors
Georg Bolliger
Peter Stutz
Assignee (at issue)
Sandoz AG
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.