Granted Patent
Utility
US 5,364,620 · App. 07/921,459
Controlled absorption diltiazem formulation for once daily administration
Inventors:
Edward J. Geoghegan, Seamus Mulligan, Donald E. Panoz
Patented Case
View Patent ↗
Granted: Nov 15, 1994
Filed: Jul 28, 1992
Inventors
Edward J. Geoghegan
Seamus Mulligan
Donald E. Panoz
Assignee (at issue)
ELAN CORPORATION PLC
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.