Patents by Inventor David Alan Hilborn

David Alan Hilborn 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).

  • Immunoassay elements comprising polymers containing vandium IV (V+4) ions
    Patent number: 5696193
    Abstract: A dry immunoassay analytical element, for assaying a ligand, comprising in the following order:(a) a layer containing a labeled ligand;(b) a spreading layer;(c) a receptor layer containing a fixed concentration of an immobilized receptor for the labeled ligand and the receptor is i) covalently bonded to polymeric beads having a diameter in the range of 0.1 to 5 .mu.m and ii) dispersed in a polymeric binder and(d) a support;characterized in that the spreading layer contains a water soluble polymer containing vanadium IV (V.sup.+4) ions.
    Type: Grant
    Filed: April 25, 1994
    Date of Patent: December 9, 1997
    Assignee: Clinical Diagnostic Systems, Inc.
    Inventors: Daniel Salman Daniel, David Alan Hilborn, Calvin Roman Messing, Ignazio Salvatore Ponticello, Susan Jean Danielson