Granted Patent
Utility
US 5,463,117 · App. 08/281,670
Process for the preparation of salts of 2-(4-isobutylphenyl)propionic acid
Inventors:
Federico Stroppolo, Daniele Bonadeo, Annibale Gazzaniga
Patented Case
View Patent ↗
Granted: Oct 31, 1995
Filed: Jul 29, 1994
Inventors
Federico Stroppolo
Daniele Bonadeo
Annibale Gazzaniga
Assignee (at issue)
Zambon 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.