Patents by Inventor Christopher Douglas Wilsey

Christopher Douglas Wilsey 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).

  • Amperometric biosensor test strip
    Patent number: 6541216
    Abstract: A reagent and method for determining the levels of 3-hydroxybutyric acid in a sample are provided. The reagent comprises a ferricyanide salt, a catalytic amount of a first enzyme operative to catalyze the oxidation of 3-hydroxybutyric acid in the sample, a cofactor corresponding to said first enzyme, and a catalytic amount of a second enzyme operative to catalyze the oxidization of the cofactor and the reduction of the ferricyanide. The reagent is incorporated into a test strip that generates an electrical output signal indicative of the level of 3-hydroxybutyric acid when the reagent is contacted with a sample.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: April 1, 2003
    Assignee: Roche Diagnostics Corporation
    Inventors: Christopher Douglas Wilsey, David W. Burke