| abstract |
A water-soluble substantially non-immunogenic conjugate of superoxide dismutase is prepared by coupling to a polyalkylene glycol which is polyethylene glycol or polyethylene-polypropylene glycol copolymer, wherein said glycol has an average molecular weight of 40,000-1,000,000 and is terminally unsubstituted or substituted by C1-4-alkyl or C1-4-alkoxy groups. |