Patents by Inventor Klaus P. Volkl

Klaus P. Volkl 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: 5057431
    Abstract: An optode designed to prevent washing away of the indicator and reagent from a membrane is located within an optical device that measures substance concentrations. The reagent and indicator materials are covalently bound on the membrane. The membrane can be a polysaccharide, especially cellulose, an acid glycol ester, or it can contain silicon. The indicator and/or reagent can be covalently bound to the membrane by a bridge molecular, particularly a multifunctional aldehyde, glutaraldehyde or a silane.
    Type: Grant
    Filed: September 15, 1988
    Date of Patent: October 15, 1991
    Assignee: Max Planck Gesellschaft zur Forderung der Wissenschaften
    Inventors: Dietrich W. Lubbers, Klaus P. Volkl, Norbert Opitz