US Patent Issued to QINGDAO KINGAGROOT CHEMICAL COMPOUND on July 15 for "Pyridazinol compound, derivative thereof, preparation method therefor, herbicidal composition and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,356,990, issued on July 15, was assigned to QINGDAO KINGAGROOT CHEMICAL COMPOUND Co. LTD. (Shandong, China).

"Pyridazinol compound, derivative thereof, preparation method therefor, herbicidal composition and use thereof" was invented by Lei Lian (Shandong, China), Rongbao Hua (Shandong, China), De Zhao (Shandong, China), Xuegang Peng (Shandong, China) and Qi Cui (Shandong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention belongs to the technical field of pesticides, and in particular relates to a pyridazinol compound, a derivative thereof, a preparation method therefor, a herbicidal composition and the use thereof. The pyridazi...