ALEXANDRIA, Va., June 25 -- United States Patent no. 12,336,540, issued on June 24, was assigned to Sumitomo Chemical Co. Ltd. (Chuo-ku, Japan).

"Method for controlling weeds" was invented by Yoshinao Sada (Kasai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for controlling weeds including a step of performing a spot treatment of at least one anionic herbicide selected from the group consisting of glyphosate or salts thereof, glufosinate or salts thereof, dicamba or salts thereof, 2,4-D or salts or esters thereof and imazethapyr or salts thereof in a cultivation area of soybean, corn, or cotton. According to the present invention, it is possible to provide a ...