Title:
PREPARATION METHOD FOR ERYTHROPOIETIN
Document Type and Number:
WIPO Patent Application WO/2023/040792
Kind Code:
A1
Abstract:
A preparation method for erythropoietin, specifically, a protein separation method. The protein is in contact with two or more cation exchangers, wherein one of the cation exchangers is a fine cation exchanger.
Inventors:
ZHU JIANWEI (CN)
JIANG HUA (CN)
XIE YUEQING (CN)
WANG ZHENYU (CN)
FAN BAOQING (CN)
HAN LEI (CN)
JIANG HUA (CN)
XIE YUEQING (CN)
WANG ZHENYU (CN)
FAN BAOQING (CN)
HAN LEI (CN)
Application Number:
PCT/CN2022/118301
Publication Date:
March 23, 2023
Filing Date:
September 13, 2022
Export Citation:
Assignee:
JECHO BIOPHARMACEUTICALS CO LTD (CN)
JECHO INST CO LTD (CN)
JECHO LABORATORIES INC (US)
JECHO INST CO LTD (CN)
JECHO LABORATORIES INC (US)
International Classes:
C07K1/18; C12N5/071
Domestic Patent References:
| WO2011024024A1 | 2011-03-03 |
Foreign References:
| CN1411369A | 2003-04-16 | |||
| CN101228185A | 2008-07-23 | |||
| CN102076705A | 2011-05-25 | |||
| CN103255162A | 2013-08-21 |
Other References:
SÁNCHEZ-TRASVIÑA CALEF, FLORES-GATICA MIGUEL, ENRIQUEZ-OCHOA DANIELA, RITO-PALOMARES MARCO, MAYOLO-DELOISA KARLA: "Purification of Modified Therapeutic Proteins Available on the Market: An Analysis of Chromatography-Based Strategies", FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY, vol. 9, XP093049742, DOI: 10.3389/fbioe.2021.717326
WU, JIANYONG: "Construction of the Cell Line Chinese Hamster Ovary Expressing High-level Recombinant Darbepoetin Alfa (NESP)", CHINESE MASTER'S DISSERTATIONS FULL- TEXT DATABASE, BASIC SCIENCES, 22 April 2010 (2010-04-22), CN, pages 1 - 53, XP009544648
WU, JIANYONG: "Construction of the Cell Line Chinese Hamster Ovary Expressing High-level Recombinant Darbepoetin Alfa (NESP)", CHINESE MASTER'S DISSERTATIONS FULL- TEXT DATABASE, BASIC SCIENCES, 22 April 2010 (2010-04-22), CN, pages 1 - 53, XP009544648
Attorney, Agent or Firm:
SHANGHAI DIANSHI PARTNERS, P.C. (CN)
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