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:
Oct. 06, 2020
Filed:
Dec. 19, 2017
Applicant:
Sabic Global Technologies B.v., Bergen op Zoom, NL;
Inventors:
Mohammed H. Al-Hazmi, Riyadh, SA;
Shahid Azam, Riyadh, SA;
Assignee:
SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/44 (2006.01); C07C 51/487 (2006.01);
U.S. Cl.
CPC ...
C07C 51/44 (2013.01); C07C 51/487 (2013.01);
Abstract
Disclosed herein is a method of purifying acetic acid. The method comprises passing a feed stream comprising acetic acid through a distillation column; contacting the acetic acid with a permanganate oxidizing agent and hydrogen gas within the distillation column; withdrawing an acetic acid product from the distillation column; and withdrawing a gaseous product stream from a top portion of the distillation column, wherein the gaseous product stream comprises ethane, methane, carbon dioxide, oxygen, nitrogen, or a combination comprising at least one of the foregoing.