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. 08, 2009
Filed:
Nov. 09, 2005
José Manuel Serra Alfaro, Valencia, ES;
Avelino Corma, Valence, ES;
Emmanuelle Guillon, Vernaison, FR;
José Manuel Serra Alfaro, Valencia, ES;
Avelino Corma, Valence, ES;
Emmanuelle Guillon, Vernaison, FR;
Institut Francais du Petrole, Malmaison Cedex, FR;
Abstract
A process for transalkylation of an alkyl-aromatic hydrocarbon feedstock that has at least 9 carbon atoms per molecule that comprises a) the introduction of said alkyl-aromatic hydrocarbon feedstock at the inlet of a first reaction zone where it is brought into contact with at least a first zeolitic catalyst, b) the introduction of at least a portion of the effluent that is obtained from stage a) and a feedstock that contains benzene and/or toluene at the inlet of a second reaction zone that contains at least a second zeolitic catalyst, and c) the separation of at least a portion of the effluent that is obtained from stage b) is described.