公开(公告)号：US20180087077A1

公开(公告)日：2018-03-29

申请号：US15573236

申请日：2016-05-10

Applicant: CJ Cheiljedang Corporation

Inventor： Seok Myung LEE ,  Baek Seok LEE ,  Kyungrim KIM ,  Kwang Ho LEE ,  Keun Cheol LEE ,  Hyeongpyo HONG

IPC: C12P13/22 ,  C12N1/20

CPC classification number: C12P13/227 ,  C12N1/20 ,  C12N15/70 ,  C12P13/14

Abstract: The present invention relates to a microorganism of the genus Escherichia in which L-tryptophan productivity is improved by inactivating phosphatase activity. Further, the present invention relates to a method for producing L-tryptophan using the microorganism of the genus Escherichia.

公开(公告)号：US20240239753A1

公开(公告)日：2024-07-18

申请号：US18562666

申请日：2022-05-20

Applicant: CJ CheilJedang Corporation

Inventor： Hwayeon LIM ,  Jong Hwan SHIN ,  Hyeongpyo HONG ,  Youn Jae LEE ,  In Sung LEE

IPC: C07D233/64 ,  C07B63/04 ,  C07C229/34 ,  C07D209/20

CPC classification number: C07D233/64 ,  C07B63/04 ,  C07C229/34 ,  C07D209/20

Abstract: The present application provides: a method for crystallization of an aromatic amino acid, enabling sustainable cycle of ammonia; and aromatic amino acid crystals produced by the method.

公开(公告)号：US20180127792A1

公开(公告)日：2018-05-10

申请号：US15573244

申请日：2016-05-10

Applicant: CJ Cheiljedang Corporation

Inventor： Hye Min PARK ,  Baek Seok LEE ,  Seok Myung LEE ,  Kyungrim KIM ,  Kwang Ho LEE ,  Ki Yong CHEONG ,  Keun Cheol LEE ,  Hyeongpyo HONG

IPC: C12P13/22 ,  C12N15/71 ,  C12N9/16

CPC classification number: C12P13/227 ,  C12N9/16 ,  C12N15/71 ,  C12Y301/03

Abstract: The present disclosure relates to a microorganism of the genus Escherichia producing more L-tryptophan by inactivating the activity of phosphatase.Additionally, the present disclosure relates to a method for producing L-tryptophan using the microorganism of the genus Escherichia.