Granted Patent
Utility
US 5,571,772 · App. 08/314,326
Mixtures of triazine sulfonylurea herbicides and pyrazoline safeners
Inventors:
Lothar Willms, Hermann Bieringer, Erwin Hacker, Heinz Kehne
Patented Case
View Patent ↗
Granted: Nov 5, 1996
Filed: Sep 28, 1994
Inventors
Lothar Willms
Hermann Bieringer
Erwin Hacker
Heinz Kehne
Assignee (at issue)
Hoechst Schering Agrevo GmbH
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.