Biologically active polypeptides comprising a therapeutically active polypeptide fused to human serum albumin or a variant thereof, methods for the preparation thereof, nucleotide sequences encoding such fusion polypeptides, expression cassettes comprising such nucleotide sequences, self-replicating...http://www.google.com.au/patents/US6972322?utm_source=gb-gplus-sharePatent US6972322 - Interferon and albumin fusion protein
