Granted Patent
Utility
US 4,892,730 · App. 07/247,009
Processes for preparation of solid, rapidly released medicament preparations containing dihydropyridines
Inventor:
Ahmed Hegasy
Patented Case
View Patent ↗
Granted: Jan 9, 1990
Filed: Sep 20, 1988
Inventor
Ahmed Hegasy
Assignee (at issue)
Bayer Aktiengesellschaft
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.