Granted Patent
Utility
US 5,462,914 · App. 08/221,464
Herbicidal n-cyanopyridazinones
Inventors:
Harald Leitner, Rudolf H. Worther, Horst Korntner, Rudolf Schneider, Engelbert Auer, Dietmar Kores, Hermann Tramberger
Patented Case
View Patent ↗
Granted: Oct 31, 1995
Filed: Apr 1, 1994
Inventors
Harald Leitner
Rudolf H. Worther
Horst Korntner
Rudolf Schneider
Engelbert Auer
Dietmar Kores
Hermann Tramberger
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.