Patent · US Expired

Method for rendering factors II and VII hepatitis-safe with a chelating agent

US4404187A · kind A · utility

20Cited by

1References

5Claims

0Family size

Assignee

Behringwerke Aktiengesellschaft · DE

Inventors

Horst Schwinn · Mainz, DE
Norbert Heimburger
Gerhardt Kumpe · Wetter, DE
Hans M. Preis · Marburg, DE

Key dates

Filing date	Nov 19, 1981
Grant date	Sep 13, 1983
Priority date	—
Expiry date	Nov 19, 2001

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K38/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

What is disclosed is a method for treating a preparation containing blood clotting Factors II and/or VII to render it virtually hepatitis-free by warming said preparation in the presence of a chelating agent and in the further presence of an amino acid and/or a saccharide or sugar alcohol.

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