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:
Jun. 24, 2025

Filed:

Jul. 01, 2020
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Yeon Uk Choo, Daejeon, KR;

Sung Kyu Lee, Daejeon, KR;

Hyun Kyu Kim, Daejeon, KR;

Chan Hyu Jin, Daejeon, KR;

Hyoung Jun, Daejeon, KR;

Jin Sung Park, Daejeon, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 21/00 (2006.01); B01D 17/02 (2006.01); B01D 21/24 (2006.01); C02F 1/40 (2023.01); C07B 63/00 (2006.01); C02F 1/00 (2023.01); C02F 101/34 (2006.01);
U.S. Cl.
CPC ...
B01D 17/0214 (2013.01); B01D 17/0211 (2013.01); B01D 21/0003 (2013.01); B01D 21/0018 (2013.01); B01D 21/003 (2013.01); B01D 21/2461 (2013.01); C02F 1/40 (2013.01); C07B 63/00 (2013.01); C02F 2001/007 (2013.01); C02F 2101/34 (2013.01); C02F 2301/046 (2013.01);
Abstract

A neutralization/water separation tank for an esterified product including: a neutralization part in which a crude product mixture containing alcohol and an ester compound, a neutralizing agent, and water are put to produce a neutralized mixture; a water separation part which divides the neutralized mixture into a floating layer and an aqueous layer; a first partition wall which extends upward from a bottom surface to provide an upper passage and by which the neutralization part and the water separation part are partitioned; and a second partition wall which extends downward from a ceiling to provide a lower passage, wherein the water separation part includes: a first water separation part into which the neutralized mixture is introduced from the neutralization part through the upper passage; and a second water separation part into which the neutralized mixture is introduced from the first water separation part through the lower passage, wherein the first water separation part and the second water separation part are partitioned by the second partition wall.


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