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.

公开(公告)号：US20220259141A1

公开(公告)日：2022-08-18

申请号：US17610731

申请日：2020-09-09

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Min Kyu KANG ,  Jung Min LEE ,  Min Sup KIM ,  Il Chul KIM ,  In Sung LEE ,  Jun Young JUNG

IPC: C07C227/32 ,  B01J31/10

Abstract: Provided is a method of preparing L-homoserine, the method including contacting an L-homoserine derivative with a solid acid catalyst.