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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.:

US 12790286 B1

PDFFull Text
Date of Patent:
Nov. 10, 2026

Filed:

Nov. 24, 2022

Process of recovering 3-hydroxypropionic acid and slurry composition comprising 3-hydroxypropionic acid

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Yongju Bang, Daejeon, KR;

Jeong Eun Kim, Daejeon, KR;

Jae Hoon Choe, Daejeon, KR;

Donggyun Kang, Daejeon, KR;

Woochul Jung, Daejeon, KR;

Sang Won Han, Daejeon, KR;

Taeho Kim, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:

ROTHWELL, FIGG, ERNST & MANBECK, P.C.

Primary Examiner:

Deborah D Carr

Int. Cl.
CPC ...
C07C 51/43 (2006.01); C07C 59/01 (2006.01); C12N 9/02 (2006.01); C12N 9/10 (2006.01); C12P 7/42 (2006.01);
U.S. Cl.
CPC ...
C07C 51/43 (2013.01); C07C 59/01 (2013.01); C12N 9/0008 (2013.01); C12N 9/1085 (2013.01); C12P 7/42 (2013.01); C12Y 102/01003 (2013.01); C12Y 205/01017 (2013.01);
Abstract

The present invention relates to a process of recovering 3-hydroxypropionic acid, comprising: forming a 3-hydroxypropionate crystal in a concentrate containing 3-hydroxypropionic acid in the presence of an alkali metal salt; preparing a solution containing the 3-hydroxypropionate crystal separated from the concentrate; and adding ammonia to the solution containing the 3-hydroxypropionate crystal, and a slurry composition comprising a precipitate prepared in the process of recovering 3-hydroxypropionic acid, and 3-hydroxypropionic acid.

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Bang, Yongju. (2026). Process of recovering 3-hydroxypropionic acid and slurry composition comprising 3-hydroxypropionic acid (U.S. Patent No. 12790286). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12790286

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