Granted Patent
Utility
US 4,778,895 · App. 07/036,144
1-(6-phenoxy-2-pyridyl)ethanol emantiomers as pesticides intermediates
Inventors:
Eric Francotte, Peter Ackermann
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Apr 6, 1987
Inventors
Eric Francotte
Peter Ackermann
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.