Granted Patent
Utility
US 5,747,423 · App. 08/680,193
Herbicidal 6-thienyl and 4-thienyl pyrimidines
Inventors:
Stefan Scheiblich, Thomas Maier, Helmut Siegfried Baltruschat, Joseph Luke Pont
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Jul 15, 1996
Inventors
Stefan Scheiblich
Thomas Maier
Helmut Siegfried Baltruschat
Joseph Luke Pont
Assignee (at issue)
American Cyanamid Company
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.