The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 01, 2022
Filed:
Dec. 09, 2020
Saudi Arabian Oil Company, Dhahran, SA;
Jgc Catalysts and Chemicals Ltd., Kanagawa, JP;
Japan Cooperation Center, Petroleum, Tokyo, JP;
Omer Refa Koseoglu, Dhahran, SA;
Robert Peter Hodgkins, Dhahran, SA;
Mitsunori Watabe, Kawasaki, JP;
Koji Uchida, Kawasaki, JP;
Saudi Arabian Oil Company, Dhahran, SA;
JGC Catalysts and Chemicals Ltd., Kanagawa, JP;
Japan Cooperation Center, Petroleum, Tokyo, JP;
Abstract
The present disclosure relates to a process for the hydrodealkylation of aromatic rich hydrocarbon streams to produce benzene, toluene and mixed xylenes (BTX), with high selectivity towards high value xylenes. The process uses catalysts containing a framework-substituted zirconium and/or titanium and/or hafnium-modified ultra-stable Y (USY) type zeolite.