CONCENTRATE OF A FACTOR VIII:C-CONTAINING VON WILLEBRAND FACTOR AND THE PROCESS RELATING THERETO

摘要

The invention relates to a concentrate and a process for producing a factor VIII:C-containing von Willebrand factor by fractional precipitation from a liquid comprising factor VIII:C and von Willebrand factor, resulting in an increased content of high molecular weight multimers of von Willebrand factor and a ratio of the vWF:RCoF activity to vWF:Ag of greater than 1.