US Patent Issued to KOREA ZINC, KEMCO on July 14 for "Method for producing secondary battery material from black mass" (South Korean Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,210, issued on July 14, was assigned to KOREA ZINC Co. LTD. (Seoul, South Korea) and KEMCO (Seoul, South Korea).

"Method for producing secondary battery material from black mass" was invented by Chang Young Choi (Gangnam-gu, South Korea) and Je Joong Lee (Gangnam-gu, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The embodiments disclosed herein relates to a method for producing a secondary battery material from black mass. The method for producing a secondary battery material from black mass according to one embodiment includes a roasting step of roasting black mass, a pre-extraction step of leaching a roasted black mass roasted in the ...