Granted Patent
Utility
US 4,491,541 · App. 06/542,974
Peptides
Inventors:
Roberto de Castiglione, Luigia Gozzini, Pier C. Montecucchi, Giuseppe Perseo
Patented Case
View Patent ↗
Granted: Jan 1, 1985
Filed: Oct 18, 1983
Inventors
Roberto de Castiglione
Luigia Gozzini
Pier C. Montecucchi
Giuseppe Perseo
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.