Patents by Inventor Martin Ralphs Redshaw

Martin Ralphs Redshaw 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).

  • Immunoassays employing a colored second antibody
    Patent number: 3985867
    Abstract: In some radioimmunoassays, the antigen competes with labelled antigen for reaction with a first antibody and the antigen-antibody complex is precipitated by reaction with an aqueous solution of a second antibody to the first antibody. The invention consists in using an artificially colored second antibody, so that the precipitate is easily visible to the naked eye.
    Type: Grant
    Filed: December 26, 1974
    Date of Patent: October 12, 1976
    Assignee: The Radiochemical Centre Limited
    Inventor: Martin Ralphs Redshaw