US Patent Issued to Saudi Arabian Oil on March 31 for "Methods of preparing cracking catalyst with alumina binder and phosphoric acid" (Saudi Arabia Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,044, issued on March 31, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Methods of preparing cracking catalyst with alumina binder and phosphoric acid" was invented by Hashim N. Al Khunaizi (Qatif, Saudi Arabia) and Munir Khokhar (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing a cracking catalyst includes combining a zeolite, an alumina binder, and phosphoric acid to form an extrusion mixture. The phosphoric acid acts as a peptizing agent. The extrusion mixture comprises from 0.000271 weight percent to 0.1 weight percent phosphoric acid based on the total weight of the extrusion mixture....