Granted Patent
Utility
US 4,940,481 · App. 06/468,522
Microbicidal and growth regulating compositions
Inventors:
Urs Muller, Hans Tobler, Hermann Rempfler, Alfred Meyer
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: Feb 22, 1983
Inventors
Urs Muller
Hans Tobler
Hermann Rempfler
Alfred Meyer
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.