Granted Patent
Utility
US 4,954,346 · App. 07/204,060
Orally administrable nifedipine solution in a solid light resistant dosage form
Inventors:
Gregory Sparta, Christopher L. Pelloni, Deborah Winkel
Patented Case
View Patent ↗
Granted: Sep 4, 1990
Filed: Jun 8, 1988
Inventors
Gregory Sparta
Christopher L. Pelloni
Deborah Winkel
Assignee (at issue)
Ciba-Geigy
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.