Patents by Inventor Viveca Johansson

Viveca Johansson 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: 5656504
    Abstract: In assays of the type which comprise contacting the sample containing the analyte to be detected with a solid phase surface supporting a ligand capable of binding the analyte, undesired binding to the surface is prevented to a substantial degree by adding to the sample one or more components of the material forming the ligand supporting solid phase surface, which components are in at least partially soluble form and capable of interacting with constituents of the sample medium.
    Type: Grant
    Filed: April 25, 1995
    Date of Patent: August 12, 1997
    Assignee: Pharmacia Biosensor AB
    Inventors: Viveca Johansson, Anita Larsson, Inger Ronnberg