Granted Patent
Utility
US 4,466,972 · App. 06/359,751
Benzoxadiazoles and benzothiadiazoles, their preparation and pharmaceutical compositions containing them
Inventor:
Peter Neumann
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Mar 19, 1982
Inventor
Peter Neumann
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.