Patents Assigned to Immuno A.G.
  • Complex suitable for carrying out a method of purifying pre-S hepatitis B surface antigen
    Patent number: 5274081
    Abstract: There is disclosed a complex comprised of an insoluble polymer carrier to which monomeric human albumin is covalently bound and of a pre-S hepatitis B surface antigen bound in an elutable form to the monomeric human albumin by its pre-S(2)- and/or pre-S(1)-region. This complex may be used for therapeutic and diagnostic purposes and enables the rapid and efficient purification of pre-S-HBsAg by affinity chromatography.
    Type: Grant
    Filed: November 8, 1991
    Date of Patent: December 28, 1993
    Assignee: Immuno A.G.
    Inventors: Johann Eibl, Friedrich Dorner, Artur Mitterer