Granted Patent
Utility
US 4,876,270 · App. 07/154,661
Pesticidal diphenylethylene derivatives
Inventor:
Hans-Rudolf Waespe
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Feb 10, 1988
Inventor
Hans-Rudolf Waespe
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.