Albumin-purification method comprising a nanofiltration step, solution, and composition for therapeutic use containing same

摘要

Process for purification of albumen (A) by subjecting a solution of (A), with concentration 15-80 g/l and pH not below 7, to nanofiltration at 15-55 [deg]C. Independent claims are also included for the following: (1) a solution of (A), produced by the new method and containing at most 1 % albumen polymers of size below 100 nm; and (2) a therapeutic albumen composition prepared from the solution of (1).