Granted Patent
Utility
US 4,426,385 · App. 06/305,951
Insecticidal bicyclooxyphenyl ureas
Inventor:
Paul A. Cain
Patented Case
View Patent ↗
Granted: Jan 17, 1984
Filed: Sep 28, 1981
Inventor
Paul A. Cain
Assignee (at issue)
Union Carbide Corporation
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.