Granted Patent
Utility
US 5,504,089 · App. 08/242,521
2-hydroxyalkyl-benzimidazoles, -quinazolines and -benzothiazoles as potassium channel agonists
Inventor:
Keith Russell
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: May 13, 1994
Inventor
Keith Russell
Assignee (at issue)
Zeneca Limited
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.