Granted Patent
Utility
US 5,116,998 · App. 07/689,204
Process for the preparation of insecticidal, acaricidal and mollusicidal 2-halopyrrole-3-carbonitrile compounds
Inventor:
Gregory T. Lowen
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Apr 22, 1991
Inventor
Gregory T. Lowen
Assignee (at issue)
American Cyanamid 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.