Antihemophilic agent and process for its manufacture

US4067964A · kind A · utility

Assignee

• Behringwerke Aktiengesellschaft · DE

Inventors

• Horst Schwinn · Mainz, DE
• Norbert Heimburger

Key dates

• Filing date: Nov 5, 1976
• Grant date: Jan 10, 1978
• Expiry date: Nov 5, 1996

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S530/851
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to an antihemophilic agent, which may contain factor VIII, but also factor IV, VII and X activities and to a process for its manufacture by extracting placentae with an aqueous hypotonic medium, increasing the density of the extract and obtaining the supernatant layer forming thereupon.