ALEXANDRIA, Va., July 16 -- United States Patent no. 12,356,984, issued on July 15, was assigned to SYNGENTA CROP PROTECTION AG (Basel, Switzerland).
"Paraquat formulation" was invented by King Nelson (Greensboro, N.C.), Ian David Tovey (Bracknell, Great Britain), Niall Rae Thomson (Bracknell, Great Britain) and Guy Ramsay (Bracknell, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to pesticidal emulsions comprising an aqueous continuous phase comprising paraquat and at least one polyvinylalcohol or polyvinylalcohol derivative; a dispersed oil phase; a pesticidal active ingredient; and at least two polymeric surfactants selected from a sorbitan ester and an ethoxyla...