Granted Patent
Utility
US 4,816,062 · App. 06/869,509
Herbicidal compositions and method containing 3,5-dicarboxylic acid esters of 2,6-bis-(fluoro-alkyl) tetrahydropyrans
Inventor:
Len F. Lee
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Jun 2, 1986
Inventor
Len F. Lee
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.