Process for the separation, concentration or purification of a (blood) plasma protein or virus component consists of a mixture

The invention relates to a process for the separation, concentration and / or purification of a (blood) plasma protein or virus component from a mixture that contains this (blood) plasma protein or virus component, said the (blood) plasma protein or virus component mixture containing natural human or animal blood, or an intermediate or finished product of natural human or animal blood, in particular blood plasma or protein containing precipitated product, which was obtained by the fractionation of blood plasma, the method comprising a chromatography step, a filtration through a chromatography material as well as a viral inactivation step , The materials used for the chromatography and filtration sorbents are in each case to solid support materials whose surfaces are functionalized with at least two receptor molecules. In particular, the invention relates to an improved process for purification of (blood) plasma proteins of the IgG type from human plasma.