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.

Date of Patent:
Jan. 31, 2017

Filed:

Jan. 14, 2014
Applicant:

Fina Technology, Inc., Houston, TX (US);

Inventors:

James R. Butler, Spicewood, TX (US);

Xin Xiao, Augusta, GA (US);

James T. Merrill, Morgan, TX (US);

Assignee:

FINA TECHNOLOGY, INC., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/66 (2006.01); B01J 29/06 (2006.01); B01J 29/70 (2006.01); C07C 6/12 (2006.01); C07C 7/12 (2006.01); C07C 15/073 (2006.01);
U.S. Cl.
CPC ...
C07C 2/66 (2013.01); B01J 29/06 (2013.01); B01J 29/7057 (2013.01); C07C 6/126 (2013.01); C07C 7/12 (2013.01); C07C 15/073 (2013.01); B01J 2219/00006 (2013.01); C07C 2529/08 (2013.01); C07C 2529/70 (2013.01); Y02P 20/52 (2015.11); Y02P 20/584 (2015.11); Y02P 20/588 (2015.11);
Abstract

Alkylation systems and methods of minimizing alkylation catalyst regeneration are described herein. The alkylation systems generally include a preliminary alkylation system adapted to receive an input stream including an alkyl aromatic hydrocarbon and contact the input stream with a preliminary alkylation catalyst disposed therein to form a first output stream. The preliminary alkylation catalyst generally includes a zeolite catalyst having a SiO/AlOratio of less than about 25. The alkylation systems further include a first alkylation system adapted to receive the first output stream and contact the first output stream with a first alkylation catalyst disposed therein and an alkylating agent to form a second output stream.


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