Granted Patent
Utility
US 4,523,947 · App. 06/615,021
Use of triazine derivatives for protecting maize and sorghum plants
Inventors:
Henry Szczepanski, Dagmar Berrer
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: May 29, 1984
Inventors
Henry Szczepanski
Dagmar Berrer
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.