US Patent Issued to HUNAN JIN YUAN NEW MATERIALS JOINT STOCK on Nov. 3 for "Method and extraction device for extracting and preparing battery-grade lithium carbonate from P507 raffinate" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,305, issued on Nov. 3, was assigned to HUNAN JIN YUAN NEW MATERIALS JOINT STOCK COMPANY Ltd. (Yiyang, China).

"Method and extraction device for extracting and preparing battery-grade lithium carbonate from P507 raffinate" was invented by Xunbing Liu (Yiyang, China), Can Peng (Yiyang, China), Zhen Liu (Yiyang, China), Quncheng Zhou (Yiyang, China), Zi Wang (Yiyang, China), Xiongwu Dong (Yiyang, China), Shanmu Wu (Yiyang, China) and Jianjun Ouyang (Yiyang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a method and device for extracting and preparing battery-grade lithium carbonate from a P507 raffinate. The method comprises steps o...