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. 10, 2012
Filed:
Mar. 31, 2011
Michael C. Clark, Chantilly, VA (US);
Vijay Nanda, Houston, TX (US);
Carlos N. Lopez, Amissville, VA (US);
Brian Maerz, Chelmsford, MA (US);
Maruti Bhandarkar, East Weymouth, MA (US);
Michael C. Clark, Chantilly, VA (US);
Vijay Nanda, Houston, TX (US);
Carlos N. Lopez, Amissville, VA (US);
Brian Maerz, Chelmsford, MA (US);
Maruti Bhandarkar, East Weymouth, MA (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Stone & Weber, Inc., Houston, TX (US);
Abstract
Disclosed are ethylbenzene processes in which a series-arranged or combined vapor phase alkylation/transalkylation reaction zone is retrofitted to have a vapor phase alkylation reactor and a liquid phase transalkylation reactor, and in which a parallel-arranged vapor phase alkylation reactor and vapor phase transalkylation reactor is retrofitted to have a vapor phase alkylation reactor and liquid phase transalkylation reactor, wherein the xylenes content of the ethylbenzene product is less than 700 wppm.