US Patent Issued to CHINA PETROLEUM & CHEMICAL, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC on March 17 for "Rare earth-containing y zeolite, preparation process thereof, and catalytic cracking catalyst containing the zeolite" (Chinese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,117, issued on March 17, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing) and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC (Beijing).

"Rare earth-containing y zeolite, preparation process thereof, and catalytic cracking catalyst containing the zeolite" was invented by Yibin Luo (Beijing), Chengqiang Wang (Beijing), Jinyu Zheng (Beijing) and Xingtian Shu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rare earth-containing Y zeolite has at least two mesopore pore-size distributions at 2-3 nanometers and 3-4 nanometers. A catalytic cracking catalyst contains the rare earth-containing Y zeolite. When used in the catalytic cr...