公开(公告)号：US20230287382A1

公开(公告)日：2023-09-14

申请号：US17044726

申请日：2019-12-24

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Jaehun LEE ,  Hee-See MOON ,  Ae Ji JEON ,  Young Lyeol YANG ,  Byung-Gee KIM ,  Eun Young HONG

IPC: C12N9/88 ,  C12P13/00

CPC classification number: C12N9/88 ,  C12Y401/01017 ,  C12P13/001

Abstract: The present application relates to a variant of ornithine decarboxylase or protein, a polynucleotide encoding the same, a microorganism containing the same, and a method for producing putrescine using the same.
The present invention achieves effects of increasing putrescine productivity, production efficiency or production selectivity, suppressing side reactions, and saving the cost involved in purifying putrescine.

公开(公告)号：US20230167049A1

公开(公告)日：2023-06-01

申请号：US17906603

申请日：2021-03-10

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Ho Bum PARK ,  Tae Hoon LEE ,  Jaehun LEE ,  Young Lyeol YANG ,  Changyub OH ,  Jung Min LEE ,  Jihyun SHIN

IPC: C07C209/86 ,  B01D61/22 ,  B01D63/02 ,  B01D71/68 ,  B01D71/34 ,  B01D71/26 ,  C07C211/09

CPC classification number: C07C209/86 ,  B01D61/22 ,  B01D63/02 ,  B01D71/68 ,  B01D71/34 ,  B01D71/262 ,  C07C211/09 ,  B01D2311/2669 ,  B01D2311/2688 ,  B01D2311/14 ,  B01D2311/16 ,  B01D2311/10 ,  B01D2311/22 ,  B01D2317/04 ,  B01D2311/06 ,  B01D2311/04

Abstract: A method of removing carbon dioxide from a carbonate-containing diaminoalkane solution, the method including passing the carbonate-containing diaminoalkane solution through a membrane module, and a method of preparing diaminoalkane including the same.