Granted Patent
Utility
US 6,534,444 · App. 09/719,429
Herbicidal mixtures having a synergistic effect
Inventors:
Bernd Sievernich, Max Landes, Elmar Kibler, Wolfgang von Deyn, Helmut Walter, Martina Otten, Karl-Otto Westphalen, Herve R. Vantieghem
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Dec 12, 2000
Inventors
Bernd Sievernich
Max Landes
Elmar Kibler
Wolfgang von Deyn
Helmut Walter
Martina Otten
Karl-Otto Westphalen
Herve R. Vantieghem
Assignee (at issue)
BASF SE
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.