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:
Mar. 20, 2018
Filed:
Nov. 13, 2015
Ifp Energies Nouvelles, Rueil-Malmaison, FR;
Arkema France, Colombes, FR;
Ludivine Bouvier, Orthez, FR;
CĂ©cile Lutz, Gan, FR;
Catherine Laroche, Charly, FR;
Julien Grandjean, Lyons, FR;
Arnaud Baudot, Vernaison, FR;
IFP Energies Nouvelles, Rueil-Malmaison, FR;
Arkema France, Colombes, FR;
Abstract
The present invention relates to a zeolite-based adsorbent comprising at least one zeolite of FAU structure of LSX type and comprising barium and/or potassium, in which the outer surface area of said zeolite-based adsorbent, measured by nitrogen adsorption, is between 20 m·gand 100 m·g, limits inclusive. The present invention also relates to the use of such a zeolite-based adsorbent as an adsorption agent, and also to the process for separating para-xylene from aromatic isomer fractions containing 8 carbon atoms.