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:
Sep. 20, 2016
Filed:
Dec. 03, 2013
Applicant:
Ifp Energies Nouvelles, Rueil-Malmaison Cedex, FR;
Inventors:
Pascal Etienne, Estrablin, FR;
Philibert Leflaive, Mions, FR;
Damien Leinekugel Le Cocq, Lyons, FR;
Catherine Laroche, Vernaison, FR;
Assignee:
IFP Energies nouvelles, Rueil-Malmaison, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07C 7/12 (2006.01); C07C 7/13 (2006.01); B01D 15/18 (2006.01); B01J 20/18 (2006.01); B01J 20/28 (2006.01);
U.S. Cl.
CPC ...
C07C 7/13 (2013.01); B01D 15/1828 (2013.01); B01D 15/1842 (2013.01); B01J 20/186 (2013.01); B01J 20/2803 (2013.01); B01J 20/28011 (2013.01);
Abstract
This invention describes a process for separation of xylenes for the purpose of the production of high-purity metaxylene, a simulated countercurrent process using at least one adsorber with a limited cumulative total level (Hcu) of adsorbent at a surface velocity (Vsl) that is less than 2 cm/s.