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Last Updated: November 27, 2021

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Patent: 9,994,627

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Summary for Patent: 9,994,627
Title:Methods for purifying erythropoietin analogs having lower isoelectric point
Abstract: The present invention relates to a method for purifying an erythropoietin analog having a low isoelectric point below 4 by adding an N-linked sugar chain with high purity. In accordance with the present invention, the erythropoietin analog having an isoelectric point below 4, which is an isoform having more sialic acid residues, can be effectively purified via three-step chromatographic processes in short time at lower cost.
Inventor(s): Koh; Yeo-Wook (Yongin-Si, KR), Lee; Sang-Yong (Yongin-Si, KR), Kim; Cook-Hee (Yongin-Si, KR), Lee; Seung-Hui (Yongin-Si, KR), Kim; Ha-Na (Yongin-Si, KR), Kim; Su-Yon (Yongin-Si, KR), Seong; Jin-Hyun (Yongin-Si, KR), Cho; Yong-Hyun (Yongin-Si, KR)
Application Number:14/352,734
Patent Claims:see list of patent claims

Details for Patent 9,994,627

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Amgen, Inc. ARANESP darbepoetin alpha Injection 103951 2001-09-17 ⤷  Try it Free 2031-10-18
Amgen, Inc. ARANESP darbepoetin alpha Injection 103951 2002-07-19 ⤷  Try it Free 2031-10-18
Amgen, Inc. ARANESP darbepoetin alpha Injection 103951 2002-12-17 ⤷  Try it Free 2031-10-18
Amgen, Inc. ARANESP darbepoetin alpha Injection 103951 2003-12-12 ⤷  Try it Free 2031-10-18
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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