US Patent Issued to BASF on May 13 for "Catalytic system comprising antimony-containing catalyst" (Chinese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,760, issued on May 13, was assigned to BASF Corp. (Florham Park, N.J.).

"Catalytic system comprising antimony-containing catalyst" was invented by Liang Chen (Shanghai), Jiadi Zhang (Shanghai), Renjie Qiu (Shanghai), Yuchao Zhang (Shanghai), Yufen Hao (Shanghai) and Wenming Shi (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A catalyst system for purifying an exhaust gas, comprising one or more antimony-containing regions comprising an antimony-containing catalyst, particularly antimony-containing SCR catalyst, and one or more antimony-trapping regions comprising a molecular sieve which is optionally metal-promoted, wherein at least one of ...