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. 12, 2011
Filed:
Jan. 31, 2008
Lawrence A. Smith, Jr., Pasadena, TX (US);
Abraham P. Gelbein, Raleigh, NC (US);
William M. Cross, Jr., Seabrook, TX (US);
Lawrence A. Smith, Jr., Pasadena, TX (US);
Abraham P. Gelbein, Raleigh, NC (US);
William M. Cross, Jr., Seabrook, TX (US);
Catalytic Distillation Technologies, Pasadena, TX (US);
Abstract
A process for treating an alkylation feedstock comprising olefins, n-alkanes, and iso-alkanes, the process including: contacting at least a portion of the alkylation feedstock with sulfuric acid in a reaction zone under conditions to form sulfate esters of the olefins; separating the n-alkanes and the iso-alkanes from the sulfuric acid and the sulfate esters; recovering the n-alkanes and the iso-alkanes in a first product stream; and recovering the sulfate esters in a second product stream; wherein the sulfuric acid has a strength titrating as below 75 weight percent HSO/water mixtures.