Granted Patent
Utility
US 4,629,498 · App. 06/729,891
Novel phenoxyphenoxyalkanoylthioamides as herbicides
Inventors:
Otto Rohr, Georg Pissiotas
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: May 2, 1985
Inventors
Otto Rohr
Georg Pissiotas
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.