Patent · US Expired

Fibrinogen purification

US7550567B2 · kind B2 · utility

9Cited by

18References

21Claims

0Family size

Assignee

CSL Behring AG · DE

Inventors

Hubert Metzner · Marburg, DE
Uwe Liebing · Dömitz, DE
Annette Feussner · Marburg, DE
Joerg Lemmer · Allendorf (Lumda), DE
Stefan Schulte · Marburg, DE
Volker Gawantka · Lahntal, DE

Key dates

Filing date	Feb 23, 2005
Grant date	Jun 23, 2009
Priority date	—
Expiry date	Feb 26, 2026

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P7/04
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention relates to a process for purifying fibrinogen, which comprises one or more process steps in which one or more contaminating proteins are depleted by negative chromatography and/or negative adsorption using cation exchanger, hydrophobic gel and/or dye gel. In addition, the invention relates to the fibrinogen which is obtained by the process of the invention and which is notable for improved stability, and to the production and use of pharmaceutical preparations comprising this fibrinogen.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.