Patents by Inventor Diane M. Barrett

Diane M. Barrett has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Anti-D test and reagent
    Patent number: 4296090
    Abstract: Methods and reagents for determination of Rh (D) antigen in human blood. The reagent is a low-protein composition containing reduced and S-alkylated anti-D IgG maintained at pH of between about 7.5 and 8.3. This reagent meets or exceeds FDA standards for potency of anti-D for the slide test of rapid tube test.
    Type: Grant
    Filed: October 5, 1979
    Date of Patent: October 20, 1981
    Assignee: Ortho Diagnostics, Inc.
    Inventors: Henry A. Graham, Jr., David J. Olekna, Johnna B. Hawk, Diane M. Barrett