Granted Patent
Utility
US 4,402,963 · App. 06/327,880
Microbicidal dioxolanylalkyltriazole compositions
Inventor:
Elmar Sturm
Patented Case
View Patent ↗
Granted: Sep 6, 1983
Filed: Dec 7, 1981
Inventor
Elmar Sturm
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.