Granted Patent
Utility
US 5,177,085 · App. 07/805,662
Dihydro-isoquinoline derivatives, processes for their production, pharmaceutical compositions containing them, and their use in treating asthma
Inventor:
Reto Naef
Patented Case
View Patent ↗
Granted: Jan 5, 1993
Filed: Dec 12, 1991
Inventor
Reto Naef
Assignee (at issue)
Sandoz AG
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.