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. 24, 2012
Filed:
Aug. 30, 2010
Applicants:
Timothy F. Kinn, Houston, TX (US);
Michael C. Clark, Chadds Ford, PA (US);
Inventors:
Timothy F. Kinn, Houston, TX (US);
Michael C. Clark, Chadds Ford, PA (US);
Assignee:
Exxonmobil Chemical Patents Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a process for reducing the amount of benzene produced in a startup procedure for purification of an aromatic feedstream, the improvement comprising a start-up procedure including contacting said catalyst with said feedstream at elevated LHSV for a period of time sufficient to reduce benzene and/or toluene levels to a predetermined level, and proceeding under normal operational conditions.