Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Separation or purification
Reexamination Certificate
2008-11-12
2010-10-05
Allen, Marianne P (Department: 1647)
Chemistry: natural resins or derivatives; peptides or proteins;
Proteins, i.e., more than 100 amino acid residues
Separation or purification
C530S412000, C530S387100
Reexamination Certificate
active
07807799
ABSTRACT:
A method for reducing leaching of protein A during protein A affinity chromatography is described which involves reducing temperature or pH of, or by adding one or more protease inhibitors to, a composition that is subjected to protein A affinity chromatography.
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Fahrner Robert L.
Laverdiere Amy
McDonald Paul J.
O'Leary Rhona M.
Allen Marianne P
Arnold & Porter LLP
Dreger Ginger R.
Genentech Inc.
Marschang Diane
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