Patents Represented by Attorney Senniger Power

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  • Karl fischer reagent
    Patent number: 6946298
    Abstract: A reagent for the determination of water content of a sample according to the Karl Fischer method is disclosed. The reagent comprises a base component comprised of a mixture of imidazole and a substituted imidazole. Preferably, the Karl Fischer reagent is a one component reagent comprising imidazole and 2-methylimidazole.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: September 20, 2005
    Assignee: Sigma-Aldrich Co.
    Inventors: Helga Hoffmann, Katrin Schöffski