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.

Date of Patent:
Nov. 08, 2016

Filed:

Oct. 02, 2015
Applicant:

Celanese International Corporation, Dallas, TX (US);

Inventors:

Ronald David Shaver, Houston, TX (US);

Yaw-Haw Liu, Missouri City, TX (US);

Mark O Scates, Houston, TX (US);

Sarah Lane Abrego, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/47 (2006.01); B01J 14/00 (2006.01); C07C 51/12 (2006.01); C07C 51/44 (2006.01);
U.S. Cl.
CPC ...
C07C 51/12 (2013.01); C07C 51/44 (2013.01); C07C 51/47 (2013.01);
Abstract

The disclosure is directed to a carbonylation process for producing acetic acid which includes separating a vapor product stream from a carbonylation reactor to produce a crude acid product comprising acetic acid comprising lithium cations and contacting the crude acetic acid product with a cationic exchanger in the acid form within a first treatment device to produce an intermediate acid product; and contacting the intermediate acetic acid product with a metal-exchanged ion exchange resin having acid cation exchange sites within a second treatment device to produce a purified acetic acid. Embodiments directed to a treatment device comprising a plurality of sampling ports having a first open flow path and a second flow path comprising a porous element are disclosed.


Find Patent Forward Citations

Shaver, Ronald. (2016). Processes for producing acetic acid (U.S. Patent No. 9487464). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9487464

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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