Granted Patent
Utility
US 6,620,944 · App. 09/890,653
Process for preparing pesticidal intermediates
Inventor:
Jean-Erick Ancel
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Nov 2, 2001
Inventor
Jean-Erick Ancel
Assignee (at issue)
Aventis CropScience S.A.
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.