Patents by Inventor Stefan Lofaas

Stefan Lofaas 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).

  • Patent number: 5436161
    Abstract: A matrix coating suitable for use in a biosensor is provided. This matrix coating comprises a hydrogel bound to a surface and via which a desired ligand can be bound. This hydrogel is activated to contain charged groups for bringing about the concentration of biomolecules carrying an opposite charge to that of said charged groups, and reactive groups for covalently binding the biomolecules concentrated to the matrix coating.
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: July 25, 1995
    Assignee: Pharmacia Biosensor AB
    Inventors: Jan Bergstrom, Stefan Lofaas, Bo Johnsson