Granted Patent
Utility
US 4,304,590 · App. 06/116,140
Methods and compositions for the control of harmful organisms containing aliphatic primary diamines
Inventors:
Reinhardt Grade, Joachim Lorenz, Rene Muntwyler, Heinz Peter
Patented Case
View Patent ↗
Granted: Dec 8, 1981
Filed: Jan 28, 1980
Inventors
Reinhardt Grade
Joachim Lorenz
Rene Muntwyler
Heinz Peter
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.