Patents by Inventor Janet H. Chen

Janet H. Chen 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).

  • Double tagged immunoassay
    Patent number: 4385126
    Abstract: Immunoassays are performed with two different ligands tagged with two different tagging constituents which are independent of each other and the two tagged ligands are immunologically bound together. The two different ligands may be detected independently through their independent tagging constituents for quality control, internal calibration (standardization), determination of viability and shelf life and the like.
    Type: Grant
    Filed: November 19, 1980
    Date of Patent: May 24, 1983
    Assignee: International Diagnostic Technology, Inc.
    Inventors: Janet H. Chen, Edward T. Maggio, Dietrich Rehbinder