Granted Patent
Utility
US 4,659,359 · App. 06/814,520
2-chloro-4,6-diamino-s-triazines as algicides
Inventors:
Joachim Lorenz, Reinhardt Grade
Patented Case
View Patent ↗
Granted: Apr 21, 1987
Filed: Dec 19, 1985
Inventors
Joachim Lorenz
Reinhardt Grade
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.