Patents Represented by Attorney Shalley G. Precivale

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  • Kit for use in assay method for the determination of lithium with novel substituted crown dyes
    Patent number: 5207985
    Abstract: Novel compounds and assay methods are provided for determining the presence of lithium in serum, plasma, urine or other sample without deproteinization. The novel compounds are water soluble derivatives of TMC-crownformazans and provide signal enhancement by increased absorbance of the dye-lithium complex over the dye anion.
    Type: Grant
    Filed: June 20, 1991
    Date of Patent: May 4, 1993
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Cheng-I Lin, Marcel Pirio