Granted Patent
Utility
US 4,632,695 · App. 06/806,168
N-phenylsulfonyl-N'-triazinylureas as herbicides and plant growth regulants
Inventors:
Rolf Schurter, Rudolph C. Thummel, Werner Topfl, Willy Meyer, Dieter Durr
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Dec 6, 1985
Inventors
Rolf Schurter
Rudolph C. Thummel
Werner Topfl
Willy Meyer
Dieter Durr
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.