Process for the purification of interferon

US4343735A · kind A · utility

Assignee

• Gesellschaft fur Biotechnologische Forschung mbH (GBF) · DE

Inventors

• Ulrich Menge · Braunschweig, DE
• Michael Morr · Wolfenbüttel, DE
• Maria-Regina Kula · Jülich, DE
• Kristin Anastassiadis · Wolfenbüttel, DE

Key dates

• Filing date: Oct 23, 1980
• Grant date: Aug 10, 1982
• Expiry date: Oct 23, 2000

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G65/336
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention concerns a process for the purification of interferon, where interferon is purified by partitioning interferon in an aqueous multi-phase system in the presence of ion exchangers that are soluble in this system and that are derivatives of polyethers.