Patents by Inventor Bruce L. Zuraw

Bruce L. Zuraw 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).

  • Integrated single tube plunger immunoassay system having plural reagent chambers
    Patent number: 4458020
    Abstract: A system for conducting an immunoassay in a single chamber, by concentrating antibodies for antigenic components on microbeads treated for binding immunological components, physically separating the fluid from which the immunological active component is separated, and determining the amount of immunological component collected on the beads, comprising a multiple-chamber dispensing cylinder.
    Type: Grant
    Filed: November 15, 1982
    Date of Patent: July 3, 1984
    Assignee: Quidel
    Inventors: Joseph W. Bohn, Peter A. Cohen, Bruce L. Zuraw
  • Rapid plunger immunoassay method and apparatus
    Patent number: 4424279
    Abstract: A method and apparatus for conducting an immunoassay. The apparatus features a cylindrical tube having one open end into which a plunger filter assembly is slidably fitted. The filter assembly is composed of a plunger filter cylinder open at both ends, a seal fixed to the proximal end of the plunger filter cylinder and a dome-shaped filter inside of and closing the proximal end of the plunger filter cylinder, and beads sensitized with an immunologically reactive material, such as an antibody.
    Type: Grant
    Filed: August 12, 1982
    Date of Patent: January 3, 1984
    Assignee: Quidel
    Inventors: Joseph W. Bohn, Peter A. Cohen, Bruce L. Zuraw