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:
Apr. 14, 2015
Filed:
Sep. 14, 2012
Applicants:
Xiaobo Zheng, Houston, TX (US);
John Di-yi Ou, Houston, TX (US);
Mark P. Hagemeister, Houston, TX (US);
Jon E. R. Stanat, Westhampton Beach, NY (US);
Inventors:
Xiaobo Zheng, Houston, TX (US);
John Di-Yi Ou, Houston, TX (US);
Mark P. Hagemeister, Houston, TX (US);
Jon E. R. Stanat, Westhampton Beach, NY (US);
Assignee:
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 2/86 (2006.01);
U.S. Cl.
CPC ...
C07C 2/865 (2013.01); C07C 2/864 (2013.01);
Abstract
The invention relates to the production of paraxylene by an alkylation process that also produces oxygenates. The process is controlled to utilize recycle to minimize said oxygenates.