Granted Patent
Utility
US 4,582,852 · App. 06/664,677
14- and 15-hydroxy milbemycin derivatives for controlling plant and animal parasites
Inventor:
Jean-Claude Gehret
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Oct 25, 1984
Inventor
Jean-Claude Gehret
Assignee (at issue)
Ciba-Geigy
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.