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:
Apr. 17, 2018
Filed:
May. 19, 2014
Applicant:
Saudi Basic Industries Corporation, Riyadh, SA;
Inventors:
Mustapha N. Karime, Riyadh, SA;
Faisal Baksh, Manama, BH;
Mubarik Bashir, Riyadh, SA;
Zeeshan Nawaz, Riyadh, SA;
Assignee:
SAUDI BASIC INDUSTRIES CORPORATION, Riyadh, SA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 51/44 (2006.01); C07C 67/08 (2006.01); C07C 51/215 (2006.01); C07C 51/46 (2006.01);
U.S. Cl.
CPC ...
C07C 51/44 (2013.01); C07C 51/215 (2013.01); C07C 51/46 (2013.01); C07C 67/08 (2013.01);
Abstract
The present disclosure relates to a method for purifying an acid, wherein the method comprises: a) producing a crude product mixture by a partial oxidation reaction, wherein the crude product mixture comprises acrylic acid and acetic acid; b) purifying the crude product mixture by distillation using a high-boiling solvent to purify the acrylic acid; and c) purifying the crude product mixture by distillation using a low-boiling solvent to purify the acetic acid.