Patents by Inventor Bruno A. Hansen

Bruno A. Hansen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Therapeutic insulin preparation and a process for the production of a stable insulin preparation with protracted effect
    Patent number: 4183849
    Abstract: Novel stable insulin preparations with protracted action and reduced or no antigenicity are obtained by reacting insulin free of antigenic impurities with an organic compound having basic amino groups, preferably a basic polypeptide or a cleavage product of a basic polypeptide, such as protamine, in a buffered protein dissociating or protein depolymerizing aqueous medium. Examples of preferred protein dissociating or protein depolymerizing media are aqueous solutions containing urea, a lower alkanol dialkylformamide, acetamide, N-alkyl-acetamide or acetonitrile.
    Type: Grant
    Filed: December 8, 1977
    Date of Patent: January 15, 1980
    Assignee: Nordisk Insulinlaboratorium
    Inventors: Bruno A. Hansen, Finn H. Andresen