ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,843, issued on Feb. 17, was assigned to ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID (Guangdong, China) and SHENZHEN POWER SUPPLY Co. LTD. (Guangdong, China).

"Method for detecting service life of pre-crosslinked material for high-voltage alternating-current cable insulation" was invented by Xiaolin Li (Guangdong, China), Mingli Fu (Guangdong, China), Shuai Hou (Guangdong, China), Baojun Hui (Guangdong, China), Wenbo Zhu (Guangdong, China), Guoxing Wu (Guangdong, China), Hong Xie (Guangdong, China), Xiao Chen (Guangdong, China), Shu Xu (Guangdong, China), Bin Feng (Guangdong, China) and Yifan Zhang (Guangdong, China).

According to the abstract* released by the U.S...