Granted Patent
Utility
US 4,882,144 · App. 06/864,677
Solid, rapidly released medicament preparations containing dihydropyridines, and processes for their preparation
Inventor:
Ahmed Hegasy
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: May 19, 1986
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.