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:
Dec. 27, 2022
Filed:
Mar. 16, 2020
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Seth M. Washburn, Houston, TX (US);
Hsu Chiang, Humble, TX (US);
Umar Aslam, Houston, TX (US);
Wenyih Frank Lai, Bridgewater, NJ (US);
Doron Levin, Highland Park, NJ (US);
Tan-Jen Chen, Seattle, WA (US);
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Abstract
This disclosure provides improved processes for converting aromatic hydrocarbons, such as benzene/toluene, alkylation, transalkylation, or isomerization. In an embodiment, a process comprises utilizing a passivated reactor to reduce deactivation of a molecular sieve catalyst. Additional measures such as the use of an auxiliary catalyst and/or an elevated reactor pressure may be used to further reduce deactivation of the molecular sieve catalyst.