Granted Patent
Utility
US 5,925,597 · App. 08/829,250
Phenylsulfonylureas, processes for their preparation, and their use as herbicides and plant growth regulators
Inventors:
Klaus Lorenz, Lothar Willms, Klaus Bauer, Hermann Bieringer
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Mar 31, 1997
Inventors
Klaus Lorenz
Lothar Willms
Klaus Bauer
Hermann Bieringer
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.