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Patent Searching and Data


Title:
HIGH PERFORMANCE LIQUID CHROMATOGRAPHY METHOD FOR POLYPEPTIDE MIXTURES
Document Type and Number:
WIPO Patent Application WO/2016/172855
Kind Code:
A1
Abstract:
Provided is a high performance liquid chromatography method for polypeptide mixtures. Specifically, the method comprises the following steps of (1) formulating a Glatiramer acetate solution to be tested; (2) subjecting the sample to be tested to gradient elution by way of anion exchange liquid chromatography, cation exchange liquid chromatography or reversed-phase liquid chromatography; and (3) detecting and analyzing peak areas corresponding to various components of the copolymer, and by means of comparison with a control, determining whether the content ranges of the various components in the sample to be tested are qualified.

Inventors:
TANG YANGMING (CN)
HE GANG (CN)
LI GUOTAO (CN)
TAO ANJIN (CN)
Application Number:
PCT/CN2015/077690
Publication Date:
November 03, 2016
Filing Date:
April 28, 2015
Export Citation:
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Assignee:
HYBIO PHARMACEUTICAL CO LTD (CN)
TANG YANGMING (CN)
HE GANG (CN)
LI GUOTAO (CN)
TAO ANJIN (CN)
YUAN JIANCHENG (CN)
International Classes:
C07K2/00; A61K31/785; A61K38/16; A61P25/28; C07K14/00
Domestic Patent References:
WO2012123959A22012-09-20
Foreign References:
US20090263347A12009-10-22
CN103335873A2013-10-02
Other References:
See also references of EP 3290432A4
Attorney, Agent or Firm:
BEIJING CHENGHUI LAW FIRM (CN)
北京市诚辉律师事务所 (CN)
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