Patent · US Expired

Method for the chromatographic fractionation of plasma or serum, preparations, so obtained, and their use

US7041798B1 · kind B1 · utility

10Cited by

1References

23Claims

0Family size

Assignee

Biotest Pharma GmbH · DE

Inventors

Norbert Kothe · Kronberg, DE
Dieter Rudnick · Dreieich, DE
Michael Kloft · Weiterstadt, DE

Key dates

Filing date	Jun 23, 2000
Grant date	May 9, 2006
Priority date	—
Expiry date	Dec 21, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07K14/8128
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

The invention relates to the fractionation of plasma or serum into at least one albumin fraction and one immunoglobulin fraction by hydrophobic interaction chromatography. The fractionation is carried out using an incremental salt gradient, especially an ammonium sulfate buffer. The invention also relates to preparations obtained by using said method and to their use.

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