Granted Patent
Utility
US 4,493,726 · App. 06/486,651
Phenylpyrimidines as antidotes for protecting cultivated plants against phytotoxic damage caused by herbicides
Inventors:
Kurt Burdeska, Guglielmo Kabas, Hans-Georg Brunner, Werner Fory
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: Apr 20, 1983
Inventors
Kurt Burdeska
Guglielmo Kabas
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.