Granted Patent
Utility
US 5,225,443 · App. 03/501,142
Insecticidal N'-substituted-N'-substituted N,N'-diacylhydrazines
Inventors:
Raymond A. Murphy, Adam C. Hsu
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Jun 24, 1991
Inventors
Raymond A. Murphy
Adam C. Hsu
Assignee (at issue)
Rohm and Haas Company
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.