US Patent Issued to DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES on Jan. 27 for "Method for preparing p-xylene" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,423, issued on Jan. 27, was assigned to DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES (Dalian, China).

"Method for preparing p-xylene" was invented by Zhongmin Liu (Dalian, China), Zhengxi Yu (Dalian, China) and Yue Yang (Dalian, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing p-xylene is provided. Raw materials containing methanol, naphtha and CO2 are introduced into a reactor filled with a catalyst for a reaction to produce p-xylene. By adding the methanol, the product distribution is adjusted, and the selectivity of p-xylene is obviously improved. In addition, components containing benzene and tolue...