US Patent Issued to CHINA PETROLEUM & CHEMICAL, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC on June 17 for "Composite layer agglomerating adsorbent and preparation process thereof" (Chinese Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,135, issued on June 17, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing) and RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC (Beijing).

"Composite layer agglomerating adsorbent and preparation process thereof" was invented by Ningning Gao (Beijing), Huiguo Wang (Beijing) and Yusi Liu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a composite layer agglomerating adsorbent, comprising an outer adsorbent layer containing a low silica X molecular sieve and an inner adsorbent layer containing a high silica X molecular sieve, the low silica X molecular sieve has a silica/alumina molar ratio of 2.07-2.1...