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:
Jul. 18, 2023
Filed:
Oct. 10, 2019
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Larry L. Iaccino, Seabrook, TX (US);
Jeremy W. Bedard, Humble, TX (US);
Xiaoying Bao, Houston, TX (US);
Andrew P. Palermo, Houston, TX (US);
Nitish Mittal, Houston, TX (US);
Maria Milina, Houston, TX (US);
Doron Levin, Highland Park, NJ (US);
William R. Gunther, Clinton, NJ (US);
Wenyih F. Lai, Bridgewater, NJ (US);
Tilman W. Beutel, Neshanic Station, NJ (US);
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Abstract
A catalyst comprising a microporous crystalline metallosilicate having a Constraint Index of 12, or 10, or 8, or 6 or less, a binder, a Group 1 alkali metal or a compound thereof and/or a Group 2 alkaline earth metal or a compound thereof, a Group 10 metal or a compound thereof, and, optionally, a Group 11 metal or a compound thereof; wherein the catalyst is calcined in a first calcining step before the addition of the Group 10 metal or compound thereof and optionally the Group 11 metal or compound thereof; and wherein the first calcining step includes heating the catalyst to first temperatures of greater than 500° C.; and wherein the catalyst is calcined in a second calcining step after the addition of the Group 10 metal or compound thereof and optionally the Group 11 metal or compound thereof wherein the second calcining step includes heating the catalyst to temperatures of greater than 400° C.