Granted Patent
Utility
US 4,985,461 · App. 06/789,797
Insecticidal N'-substituted-N,N'-diacylhydrazines
Inventors:
Adam C. Hsu, Harold E. Aller
Patented Case
View Patent ↗
Granted: Jan 15, 1991
Filed: Oct 21, 1985
Inventors
Adam C. Hsu
Harold E. Aller
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.