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.:
Date of Patent:
Aug. 30, 2022
Filed:
Jan. 30, 2019
Applicant:
Cj Cheiljedang Corporation, Seoul, KR;
Inventors:
Jun-Woo Kim, Seoul, KR;
Jung Min Lee, Seoul, KR;
Se-Hee Jo, Seoul, KR;
Il Chul Kim, Seoul, KR;
In Sung Lee, Seoul, KR;
Jun Young Jung, Seoul, KR;
Assignee:
CJ CHEILJEDANG CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 319/28 (2006.01); C07C 323/58 (2006.01);
U.S. Cl.
CPC ...
C07C 319/28 (2013.01); C07C 323/58 (2013.01);
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.