Granted Patent
Utility
US 4,591,597 · App. 06/594,148
Antidiabetic iminosulphonamides
Inventor:
Ernst Schweizer
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: Mar 28, 1984
Inventor
Ernst Schweizer
Assignee (at issue)
Ciba-Geigy
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.