Granted Patent
Utility
US 4,396,548 · App. 06/162,343
Pyrazoline derivatives
Inventor:
Kurt Weber
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Jun 23, 1980
Inventor
Kurt Weber
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.