Granted Patent
Utility
US 6,251,827 · App. 09/161,120
Acylsulfamoylbenzamides, crop protection compositions comprising them, and processes for their preparation
Inventors:
Frank Ziemer, Lothar Willms, Thomas Auler, Hermann Bieringer, Christopher Hugh Rosinger
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Sep 25, 1998
Inventors
Frank Ziemer
Lothar Willms
Thomas Auler
Hermann Bieringer
Christopher Hugh Rosinger
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.