US Patent Issued to Taiyuan University of Technology on Jan. 27 for "Rubber reinforcing filler and its preparation method by activation and modification of coal gangue" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,598, issued on Jan. 27, was assigned to Taiyuan University of Technology (Taiyuan, China).

"Rubber reinforcing filler and its preparation method by activation and modification of coal gangue" was invented by Wei Huang (Taiyuan, China), Kai Yang (Taiyuan, China), Qian Zhang (Taiyuan, China), Jianwei Liu (Taiyuan, China), Zenglin Gao (Taiyuan, China) and Zeguang Hao (Taiyuan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rubber reinforcing filler and a method for preparing rubber reinforcing filler by activation and modification of coal gangue are provided. The method includes the following steps: providing coal gangue raw material; crushing ...