Granted Patent
Utility
US 4,559,078 · App. 06/562,659
Herbicidal and growth regulator phosphorus-containing N-phenylsulfonyl-N'-pyrimidinylureas and N-phenylsulfonyl-N'-triazinylureas
Inventors:
Ludwig Maier, Willy Meyer, Konrad Oertle, Achim Roloff, Werner Topfl
Patented Case
View Patent ↗
Granted: Dec 17, 1985
Filed: Dec 19, 1983
Inventors
Ludwig Maier
Willy Meyer
Konrad Oertle
Achim Roloff
Werner Topfl
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.