Patents by Inventor Michael Marouant

Michael Marouant 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: 5858691
    Abstract: The invention concerns a method for the simultaneous colorimetric and electrochemical measurement of an analyte using an oxidizing enzyme and a chromogen A that accepts electrons from the enzyme which is characterized in that the chromogen A after reduction to A' reacts by coupling to a substance BX to form a colored substance A'B the concentratin of which is measured colorimetrically as a measure for the presence or amount of the analyte and in that an electrochemically measurable group X.sup.- is cleaved off during the coupling reaction the concentration of which is measured electrochemically as a measure for the amount of the analyte.
    Type: Grant
    Filed: June 13, 1996
    Date of Patent: January 12, 1999
    Assignee: Boehringer Mannheim GmbH
    Inventors: Joachim Hoenes, Holger Kotzan, Volker Unkrig, Michael Marouant