Alkyl or alkoxy-O-alkyl-S-[N-(2-alkyl, phenyl or vinyl-1,3-dioxolan-4-yl) methylaminoacetyl] dithiophosphates or phosphonates as insecticides and acaricides

Granted: Aug 5, 1980 Filed: Jul 30, 1979

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.