US Patent Issued to Tianjin University on Sept. 15 for "Method for treating waste plastic based on persulfate system" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,550, issued on Sept. 15, was assigned to Tianjin University (Tianjin, China).

"Method for treating waste plastic based on persulfate system" was invented by Ning Li (Tianjin, China), Hengxin Liu (Tianjin, China), Guanyi Chen (Tianjin, China), Beibei Yan (Tianjin, China), Zhanjun Cheng (Tianjin, China), Shengquan Zhou (Tianjin, China) and Xiaochao Zhu (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for treating a waste plastic based on a persulfate system is provided. The method includes the following steps: mixing the waste plastic, sulfuric acid, sulfate, peroxymonosulfate, and water, and reacting at 80-140deg C. for 3-15 h...