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. 19, 2025
Filed:
Mar. 10, 2021
Applicant:
Cj Cheiljedang Corporation, Seoul, KR;
Inventors:
Ho Bum Park, Seoul, KR;
Tae Hoon Lee, Daejeon, KR;
Jaehun Lee, Seoul, KR;
Young Lyeol Yang, Seoul, KR;
Changyub Oh, Seoul, KR;
Jung Min Lee, Seoul, KR;
Jihyun Shin, Seoul, KR;
Assignee:
CJ CHEILJEDANG CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 209/86 (2006.01); B01D 61/22 (2006.01); B01D 63/02 (2006.01); B01D 71/26 (2006.01); B01D 71/34 (2006.01); B01D 71/68 (2006.01); C07C 211/09 (2006.01);
U.S. Cl.
CPC ...
C07C 209/86 (2013.01); B01D 61/22 (2013.01); B01D 63/02 (2013.01); B01D 71/262 (2022.08); B01D 71/34 (2013.01); B01D 71/68 (2013.01); C07C 211/09 (2013.01); B01D 2311/04 (2013.01); B01D 2311/06 (2013.01); B01D 2311/10 (2013.01); B01D 2311/14 (2013.01); B01D 2311/16 (2013.01); B01D 2311/22 (2013.01); B01D 2311/2669 (2013.01); B01D 2311/2688 (2013.01); B01D 2317/04 (2013.01);
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.