Granted Patent
Utility
US 5,728,708 · App. 08/446,743
Pharmacologically active pyridine derivatives and processes for the preparation thereof
Inventor:
Jurg Zimmermann
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: May 31, 1995
Inventor
Jurg Zimmermann
Assignee (at issue)
NOVARTIS 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.