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:
Mar. 31, 2020

Filed:

Aug. 22, 2019
Applicant:

Hubei Grand Life Science and Technology Co., Ltd., Huangshi, CN;

Inventors:

Huajun Sun, Huangshi, CN;

Hongbo Peng, Huangshi, CN;

Ruyong Jiang, Huangshi, CN;

Chen Guo, Huangshi, CN;

Zhiqiang Qian, Huangshi, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 303/44 (2006.01); C07C 303/22 (2006.01); C07C 303/32 (2006.01); C07C 303/02 (2006.01); C07C 309/08 (2006.01); C07C 309/14 (2006.01); B01D 15/36 (2006.01);
U.S. Cl.
CPC ...
C07C 303/44 (2013.01); C07C 303/02 (2013.01); C07C 303/22 (2013.01); C07C 303/32 (2013.01); B01D 15/363 (2013.01); C07C 309/08 (2013.01); C07C 309/14 (2013.01);
Abstract

Provided is a method for producing taurine including: providing a reaction solution comprising alkali metal taurinate and/or alkali metal isethionate, passing at least a portion of the reaction solution through a column of basic anion exchange resin, adsorbing anions of alkali metal taurinate and/or alkali metal isethionate to the basic anion exchange resin, and collecting an eluate comprising at least one impurity, desorbing anions of alkali metal taurinate and/or alkali metal isethionate from the basic anion exchange resin with an alkaline solution, and collecting a desorption liquid comprising alkali metal taurinate and/or alkali metal isethionate, subjecting the desorption liquid comprising alkali metal taurinate to acidification or subjecting the desorption liquid comprising alkali metal isethionate to aminolysis and acidification, thereby obtaining taurine.


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