Granted Patent
Utility
US 4,380,640 · App. 06/224,583
Novel benzthiazolylurea derivatives, compositions containing them and their use as herbicides
Inventors:
Hans-Georg Brunner, Werner Fory
Patented Case
View Patent ↗
Granted: Apr 19, 1983
Filed: Jan 12, 1981
Inventors
Hans-Georg Brunner
Werner Fory
Assignee (at issue)
Ciba-Geigy
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.