METHOD FOR PURIFYING COMPOSITION COMPRISING ANTIBODIES WITH ANIONIC POLYMER

A composition containing an antibody is prepared in such a state that the composition contains an anionic polymer at pH lower than the pI of the antibody, and impurities insolubilized by the anionic polymer are removed. More preferably, the composition is prepared in such a state that the compositio...

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Bibliographische Detailangaben
Hauptverfasser:	ITO, Seiya, YANAGITA, Akihiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PEPTIDES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:	A composition containing an antibody is prepared in such a state that the composition contains an anionic polymer at pH lower than the pI of the antibody, and impurities insolubilized by the anionic polymer are removed. More preferably, the composition is prepared in such a state that the composition contains an anionic polymer at pH lower than or equal to the pI of the antibody minus one, and impurities insolubilized by the anionic polymer are removed.