Granted Patent
Utility
US 4,985,552 · App. 07/374,561
Process for obtaining chemically defined and reproducible polydeoxyribonucleotides
Inventors:
Gianfranco Fedeli, Giuseppe Diamantini, Marisa Maontovani, Giuseppe Prino
Patented Case
View Patent ↗
Granted: Jan 15, 1991
Filed: Jul 5, 1989
Inventors
Gianfranco Fedeli
Giuseppe Diamantini
Marisa Maontovani
Giuseppe Prino
Assignee (at issue)
Crinos Industria Farmacobiologica 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.