Process for removing toxins from protein solutions

US5136026A · kind A · utility

Assignee

• Behringwerke Aktiengesellschaft · DE

Inventors

• Jürgen Römisch · Marburg, DE
• Norbert Heimburger

Key dates

• Filing date: Apr 9, 1991
• Grant date: Aug 4, 1992
• Expiry date: Apr 9, 2011

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07K1/18
• WIPO field: Biotechnology
• WIPO sector: Chemistry

Abstract

A process for removing toxins from solutions of proteins, in which an aqueous solution of a protein which contains a buffer substance, a chelating agent and a detergent is subjected to an ion exchange chromatography, is described.