US Patent Issued to JAEWON INDUSTRIAL on Nov. 25 for "Method for preparing a cathode of a secondary battery and a purified N-methyl pyrrolidone, and purifying a waste N-methyl pyrrolidone using an inhibitor" (South Korean Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,482,828, issued on Nov. 25, was assigned to JAEWON INDUSTRIAL Co. LTD (Jeollanam-Do, South Korea).

"Method for preparing a cathode of a secondary battery and a purified N-methyl pyrrolidone, and purifying a waste N-methyl pyrrolidone using an inhibitor" was invented by Jae Won Shim (Jeollanam-do, South Korea), Sung Won Shim (Jeollanam-do, South Korea), Byung Ki Son (Daejeon, South Korea), Hwan Choi (Jeollanam-do, South Korea), Youn Soo Shin (Jeollanam-do, South Korea), Tae Gi Choi (Jeollanam-do, South Korea), Hwa Yeong Choi (Jeollanam-do, South Korea) and Yeong Su Choo (Jeollanam-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a method...