Granted Patent
Utility
US 4,275,079 · App. 06/147,676
Fungicidal N-alkynylanilides
Inventor:
Franz Dorn
Patented Case
View Patent ↗
Granted: Jun 23, 1981
Filed: May 7, 1980
Inventor
Franz Dorn
Assignee (at issue)
HOFFMANN-LA ROCHE INC.
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.