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:
Jan. 19, 2010
Filed:
Dec. 20, 2006
Applicants:
Jin-suk Lee, Chungcheongnam, KR;
Nam-cheol Shin, Chungcheongnam, KR;
Inventors:
Jin-Suk Lee, Chungcheongnam, KR;
Nam-Cheol Shin, Chungcheongnam, KR;
Assignee:
Samsung Total Petrochemicals Co, Ltd., Seosan-Shi, Chungcheongnam Province, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 7/135 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a process for adsorptive separation of p-xylene from an aromatic hydrocarbon mixture comprising other isomers of xylene, and a device used therein. More specifically, the present invention provides a separation process employing simulated moving bed (SMB) adsorptive chromatography, characterized by subjecting the extracts eluted from a plurality of adsorption chambers arranged in parallel, to a crystallizer for additional separation, thereby improving productivity, and a device used therein.