Patents by Inventor Fritz Staehler

Fritz Staehler 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).

  • Reagent and method for the determination of peroxidase
    Patent number: 4302537
    Abstract: The present invention provides a method for the determination of peroxidase in the presence of a compound, the enzyme-catalysed oxidation of which with a peroxy compound results in the emission of light, which is measured, wherein 7-dimethylaminonaphthalene-1,2-dicarboxylic acid hydrazide of the formula ##STR1## is used as light-emitting compound. The present invention also provides a reagent for the determination of peroxidase, comprising 7-dimethylaminonaphthalene-1,2-dicarboxylic acid hydrazide, a system providing hydrogen peroxide and a buffer substance of pH 6 to 9.
    Type: Grant
    Filed: February 11, 1980
    Date of Patent: November 24, 1981
    Assignee: Boehringer Mannheim GmbH
    Inventors: Karl-Dietrich Gundermann, Karl Wulff, Fritz Staehler, Hans-Ralf Linke