Granted Patent
Utility
US 5,223,609 · App. 07/888,328
Process for obtaining chemically defined and reproducible polydeoxyribonucleotides
Inventors:
Gianfranco Fedeli, Giuseppe Diamantini, Marisa Mantovani, Giuseppe Prino
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: May 26, 1992
Inventors
Gianfranco Fedeli
Giuseppe Diamantini
Marisa Mantovani
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.