BURG, JOSEF,REICHERT, KLAUS,SCHROTH, AXEL,SCHURIG, HARTMUT,WESSNER, AXEL
申请号:
PL08784775
公开号:
PL2178900T3
申请日:
2008.07.15
申请国别(地区):
PL
年份:
2012
代理人:
摘要:
The invention is a method for the purification of mono-PEGylated erythropoietin using two cation exchange chromatography steps wherein the same type of cation exchange material is used in both cation exchange chromatography steps and a method for producing a mono-PEGylated erythropoietin in substantially homogeneous form.