US Patent Issued to CHINA PETROLEUM & CHEMICAL, SINOPEC DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS on Oct. 27 for "Y-type molecular sieve and synthesis method therefor" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,213, issued on Oct. 27, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing) and SINOPEC DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS Co. LTD. (Dalian, China).

"Y-type molecular sieve and synthesis method therefor" was invented by Jinghang Xue (Dalian, China), Bo Qin (Dalian, China), Hang Gao (Dalian, China) and Wei Liu (Dalian, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Y-type molecular sieve and a preparation method therefor are provided. The grain size of the molecular sieve is 20-100 nm, preferably 40-70 nm, and more preferably 50-60 nm. The molar ratio of silica/alumina in the molecular sieve is 4.5-7, preferably ...