Granted Patent
Utility
US 4,894,083 · App. 07/161,812
Herbicidal epoxides
Inventors:
Hermann Rempfler, Walter Kunz
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Feb 29, 1988
Inventors
Hermann Rempfler
Walter Kunz
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.