Granted Patent
Utility
US 6,498,253 · App. 09/257,669
Acylated aminophenylsulfonylureas, processes for their preparation and their use as herbicides and plant growth regulators
Inventors:
Gerhard Schnabel, Lothar Willms, Klaus Bauer, Hermann Bieringer
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Feb 25, 1999
Inventors
Gerhard Schnabel
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.