ALEXANDRIA, Va., March 12 -- United States Patent no. 12,245,590, issued on March 11, 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 PPO inhibitor in a cultivation area of soybean, corn, or cotton. According to the present invention, it is possible to provide a method for exerting an excellent control effect in weed control."

The patent was filed on March 19, 2020, under Application No. 17/441,722.

*For further information, including images, chart...