Granted Patent
Utility
US 4,537,619 · App. 06/458,694
N-Phenylsulfonyl-N'-triazinylureas
Inventors:
Willy Meyer, Werner Fory
Patented Case
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Granted: Aug 27, 1985
Filed: Jan 17, 1983
Inventors
Willy Meyer
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.