Granted Patent
Utility
US 4,511,571 · App. 06/433,763
N-(2-Pyridyloxyphenyl)-N'-benzoyl ureas, pesticidal compositions containing same and pesticidal methods of use
Inventors:
Manfred Boger, Josef Ehrenfreund, Pierre Martin, Eginhard Steiner
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Oct 12, 1982
Inventors
Manfred Boger
Josef Ehrenfreund
Pierre Martin
Eginhard Steiner
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.