Granted Patent
Utility
US 4,284,582 · App. 06/177,453
Process for the preparation of cyclopropane derivatives, intermediates in the synthesis of pyrethroid insecticides
Inventors:
Albert Edward Kaye, Alan Cyril Tucker
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Aug 12, 1980
Inventors
Albert Edward Kaye
Alan Cyril Tucker
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.