Patents Examined by Christine M. Nuckel
  • Detection of antibodies to human immunodeficiency virus by agglutination of antigen coated latex
    Patent number: 4921787
    Abstract: The present invention relates to an assay for determinng the presence of antibodies in a sample to human immunodeficiency virus (HIV) comprising mixing a sample suspected of containing antibodies to HIV with HIV-specific antigen coated, hydroxylated microbeads, evaluating whether agglutination occurs, and determining therefrom the presence of the antibodies to HIV in the sample.
    Type: Grant
    Filed: May 1, 1987
    Date of Patent: May 1, 1990
    Assignee: Cambridge Bioscience Corporation
    Inventors: Charles H. Riggin, Dante J. Marciani
  • Monoclonal antibody specific for human colon fibroblast-derived t-PA
    Patent number: 4833085
    Abstract: A monoclonal antibody is disclosed which is specific for human colon fibroblast-derived tissue plasminogen activator (t-PA), and which is useful for immunoaffinity chromatography purification of t-PA and determination of t-PA in a biological sample.
    Type: Grant
    Filed: August 13, 1986
    Date of Patent: May 23, 1989
    Assignee: Monsanto Company
    Inventors: Jon P. Schaumann, Jitka V. Olander, Nicholaos K. Harakas, Joseph Feder