Patent 9708399 was granted and assigned to AbbVie Inc. on July, 2017 by the United States Patent and Trademark Office.
Disclosed herein are compositions and methods for the isolation and purification of proteins from a sample. In particular, the present invention relates to compositions and methods for isolating and purifying proteins incorporating a displacement chromatographic step. The present invention is also directed toward pharmaceutical compositions comprising one or more antibodies purified by a method described herein.