Granted Patent
Utility
US 4,243,410 · App. 06/001,515
Herbicidally active .alpha.-(4-phenoxyphenoxy)propionic acid alkoxyalkyl amides, herbicidal compositions containing them and their use
Inventors:
Beat Bohner, Otto Rohr
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Jan 8, 1979
Inventors
Beat Bohner
Otto Rohr
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.