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:
Nov. 19, 2019
Filed:
Sep. 04, 2015
Applicant:
Scg Chemicals Company Limited, Bangkok Metropolis, TH;
Inventors:
Assignee:
SCG Chemicals Company Limited, Bangkok, TH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 7/08 (2006.01); C07C 7/06 (2006.01); B01D 3/36 (2006.01); B01D 3/40 (2006.01); B01D 3/38 (2006.01);
U.S. Cl.
CPC ...
C07C 7/08 (2013.01); B01D 3/36 (2013.01); B01D 3/38 (2013.01); B01D 3/40 (2013.01); C07C 7/06 (2013.01);
Abstract
Ethylbenzene can be separated from a C8 aromatics mixture containing ethylbenzene and a close boiling compound by extractive distillation using an extractive agent comprising a mixture of a chlorinated aromatic compound and another compound selected from furandione derivatives and organic nitriles.