ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,437, issued on April 21, was assigned to GUANGDONG BRUNP RECYCLING TECHNOLOGY Co. LTD. (Foshan, China), HUNAN BRUNP RECYCLING TECHNOLOGY Co. LTD. (Changsha, China) and HUNAN BRUNP EV RECYCLING Co. LTD. (Changsha, China).

"Preparation method and application of iron phosphate" was invented by Cunpeng Qin (Foshan, China), Ji Wei (Foshan, China), Genghao Liu (Foshan, China), Dingshan Ruan (Foshan, China) and Changdong Li (Foshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a preparation method and application of iron phosphate. The preparation method comprises: subjecting iron phosphate waste to calcination, dissolving it in an a...