US Patent Issued to QINGDAO UNIVERSITY OF SCIENCE AND TECHNOLOGY on April 14 for "Impurity removal and modification method for pyrolysis carbon black of waste tires" (Chinese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,864, issued on April 14, was assigned to QINGDAO UNIVERSITY OF SCIENCE AND TECHNOLOGY (Qingdao City, China).

"Impurity removal and modification method for pyrolysis carbon black of waste tires" was invented by Yongxin Duan (Qingdao City, China), Zhengqing Kong (Qingdao City, China), Jie Hu (Qingdao City, China), Ke Liu (Qingdao City, China), Lijuan Zhou (Qingdao City, China) and Yunxiao Liu (Qingdao City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an impurity removal and modification method for pyrolysis carbon black of waste tires, the method comprising: dispersing pyrolysis carbon black of waste tires in an alkali solution ...