Purification of immunoglobulins from plasma

US9975920B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Annika Aldinger · Darmstadt, DE
• Achim Schwaemmle · Roßdorf, DE
• Matthias Joehnck · Heilbad Heiligenstadt, DE
• Dirk Mueller · Essen, DE
• Marc Mazur · Mannheim, DE

Key dates

• Filing date: Aug 10, 2015
• Grant date: May 22, 2018
• Expiry date: Apr 5, 2036

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J41/20
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The present invention relates to the purification of target molecules like immunoglobulins from plasma. The use of a certain type of ion exchanger based on a crosslinked polyvinylether results in especially high yields of the target molecule.