ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,829, issued on Oct. 14, was assigned to DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES; (Dalian, China) and FORMOSA PLASTICS Corp. (Taiwan, China).

"Regeneration method and application of nitrogen-containing carbon catalyst" was invented by Sisi Fan (Dalian, China), Jinming Xu (Dalian, China), Yanqiang Huang (Dalian, China), Hongmin Duan (Dalian, China), Tao Zhang (Dalian, China), Ming-Hung Cheng (Taiwan, China), Wan-tun Hung (Taiwan, China), Yu-Cheng Chen (Taiwan, China), Chien-Hui Wu (Taiwan, China), Ya-Wen Cheng (Taiwan, China), Ming-Hsien Wen (Taiwan, China), Chao-Chin Chang (Taiwan, China), Tsao-Cheng Huang (Taiwan, China) and Lu-Chen Yeh (Taiwan, China). ...