Title:
METHOD FOR PREPARING NATURAL L-CYSTEINE HYDROCHLORIDE HYDRATE CRYSTALS BY CONTINUOUS CHROMATOGRAPHY
Document Type and Number:
WIPO Patent Application WO/2019/151769
Kind Code:
A1
Abstract:
The present disclosure relates to a method for preparing L-cysteine hydrochloride hydrate crystals, and L-cysteine hydrochloride hydrate crystals prepared by the method. Through the method for preparing L-cysteine hydrochloride hydrate crystals of the present disclosure, L-cysteine hydrochloride hydrate crystals can be obtained from a natural L-cysteine fermentation broth with a high recovery rate and/or purity without a chemical reaction or the use of an artificial synthetic compound.
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Inventors:
KIM JUN-WOO (KR)
LEE JUNG MIN (KR)
JO SE-HEE (KR)
KIM IL CHUL (KR)
LEE IN SUNG (KR)
JUNG JUN YOUNG (KR)
LEE JUNG MIN (KR)
JO SE-HEE (KR)
KIM IL CHUL (KR)
LEE IN SUNG (KR)
JUNG JUN YOUNG (KR)
Application Number:
PCT/KR2019/001286
Publication Date:
August 08, 2019
Filing Date:
January 30, 2019
Export Citation:
Assignee:
CJ CHEILJEDANG CORP (KR)
International Classes:
C07C319/28; C07C323/58; C12P13/12
Domestic Patent References:
| WO2013089478A2 | 2013-06-20 | |||
| WO2012053794A2 | 2012-04-26 |
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Other References:
WU ET AL., IND. ENG. CHEM. RES., vol. 37, no. 10, 1998, pages 4023 - 4035
Attorney, Agent or Firm:
SON, Min (KR)
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