Patents Examined by Bardley L. Sisson
  • Compositions useful in heterogeneous immunoassays
    Patent number: 5512659
    Abstract: A method for carrying out an immunoassay for an analyte in which a sample suspected of containing an analyte and reagents useful for detecting the analyte of interest are combined in an aqueous medium, wherein one of the reagents includes a support and one includes a label, the improvement comprising employing as the reagents a first and second conjugate, each comprised of a specific binding pair (sbp) member bound to a small molecule wherein the small molecules of each conjugate are different.
    Type: Grant
    Filed: August 4, 1989
    Date of Patent: April 30, 1996
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Edwin F. Ullman, Hriar Kirakossian, Mary C. Ericson, Richard P. Watts