Patents Represented by Attorney John J. Levis

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  • Reagents and methods for the detection and quantification of thyroxine in fluid samples
    Patent number: 5593896
    Abstract: Immunoassay methods and reagents for the specific quantification of thyroxine in a test sample are disclosed employing antibodies prepared with thyroxine derivatives of the formula: ##STR1## wherein P is an immunogenic carrier material and X is a linking moiety. The present invention also describes the synthesis of unique labelled reagent of the formula: ##STR2## wherein Q is a detectable moiety and W is a linking moiety, preferably fluorescein or a fluorescein derivative.
    Type: Grant
    Filed: July 13, 1994
    Date of Patent: January 14, 1997
    Assignee: Abbott Laboratories
    Inventors: Maciej Adamczyk, Donald D. Johnson, Phillip G. Mattingly, Diana E. Clarisse, Joan D. Tyner, Mary M. Perkowitz