Patent · US Expired

Process for the purification of the blood clotting factors, II, VII, IX and/or X

US4411794A · kind A · utility

51Cited by

1References

6Claims

0Family size

Assignee

Behringwerke Aktiengesellschaft · DE

Inventors

Horst Schwinn · Mainz, DE
Norbert Heimburger
Gerhardt Kumpe · Wetter, DE
Heinz-Hermann Drescher · Neustadt, DE

Key dates

Filing date	Jan 19, 1982
Grant date	Oct 25, 1983
Priority date	—
Expiry date	Jan 19, 2002

Classification

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

Abstract

A process for purifying liquids containing blood clotting factors by adsorption of the factors on mineral adsorbents such as calcium phosphate, aluminum hydroxide gel, barium sulfate or hydroxylapatite in the presence of calcium ions followed by elution is described.

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