US Patent Issued to GUIZHOU CHANHEN CHEMICAL on Feb. 3 for "Method of preparing ferric phosphate from iron-containing waste" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,077, issued on Feb. 3, was assigned to GUIZHOU CHANHEN CHEMICAL Corp. (Guizhou, China).

"Method of preparing ferric phosphate from iron-containing waste" was invented by Jin Li (Guizhou, China), Jiacai Wang (Guizhou, China), Shengping Wu (Guizhou, China), Maogang Li (Guizhou, China), Shunfang Li (Guizhou, China), Luming Jian (Guizhou, China) and Jun Hou (Guizhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of preparing ferric phosphate from iron-containing waste, including: step a) providing a ferric chloride-containing mixture solution obtained from acidolysis of iron-containing waste; step b) adjusting pH of the ferric chloride-co...