Patent · US Active

Method of purifying an antibody

US9845338B2 · kind B2 · utility

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22Claims
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Key dates

Filing dateJun 21, 2012
Grant dateDec 19, 2017
Priority date
Expiry dateApr 1, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07K2317/14
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A method of purifying an antibody composition comprises application of anion exchange chromatography late in the purification process. An ultrafiltration/diafiltration-purified antibody composition is subjected to anion exchange chromatography (AEX) to form a pharmaceutically-pure antibody composition.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.