Granted Patent
Utility
US 4,640,702 · App. 06/168,959
2-chloro-4-trifluoromethyl-thiazolecarbothioic acids useful as herbicidal safeners
Inventors:
Raymond C. Grabiak, Robert K. Howe, David E. Schafer
Patented Case
View Patent ↗
Granted: Feb 3, 1987
Filed: Jul 14, 1980
Inventors
Raymond C. Grabiak
Robert K. Howe
David E. Schafer
Assignee (at issue)
Monsanto 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.