Patents by Inventor Catherine B. Maddox

Catherine B. Maddox 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).

  • Dry test strip comprising a dextran barrier for excluding erythrocytes
    Patent number: 5212060
    Abstract: A dry test strip for the detection of an analyte in a test fluid is disclosed. The test strip comprises a porous detection zone containing a reactant system that can generate a signal in the presence of an analyte. The detection zone further comprises dextran as a barrier to prevent penetration of RBC's into the detection zone.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: May 18, 1993
    Assignee: Genesis Labs, Inc.
    Inventor: Catherine B. Maddox