Protein purification

CAFC
  • US 6,339,142 B1
  • Filed: 10/03/2000
  • Issued: 01/15/2002
  • Est. Priority Date: 05/06/1998
  • Status: Active Grant
First Claim
Patent Images

1. A composition comprising a mixture of anti-HER2 antibody and one or more acidic variants thereof, wherein the amount of the acidic variant(s) is less than about 25%.

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