Granted Patent
Utility
US 4,311,514 · App. 06/183,613
Sulfur-containing alkanecarboxylic acid derivatives with herbicidal and plant growth-regulating action, production thereof and method of use
Inventors:
Henry Szczepanski, Otto Rohr, Hermann Rempfler
Patented Case
View Patent ↗
Granted: Jan 19, 1982
Filed: Sep 2, 1980
Inventors
Henry Szczepanski
Otto Rohr
Hermann Rempfler
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.