Granted Patent
Utility
US 4,670,464 · App. 06/749,276
Insecticidal ester
Inventors:
Peter Doyle, Alan J. Whittle
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Jun 27, 1985
Inventors
Peter Doyle
Alan J. Whittle
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.