Patents by Inventor Kathelyn S. Steimer

Kathelyn S. Steimer 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).

  • Hepatitis C virus infected cell systems
    Patent number: 5968775
    Abstract: The present invention is directed to extracorporeal cell systems infected with hepatitis C virus (HCV). The present invention also relates to products of such cell systems and their use as vaccines and in immunoassays. Methods whereby HCV-infected extracorporeal cell systems are constructed are included, and various immunoassays to detect HCV antibodies are also presented. The HCV-infected cell systems can be used to screen putative antiviral agents.
    Type: Grant
    Filed: May 10, 1995
    Date of Patent: October 19, 1999
    Assignee: Chiron Corporation
    Inventors: Michael Houghton, Kathelyn S. Steimer, Amy J. Weiner
  • Hepatitis C virus infected cell systems
    Patent number: 5679342
    Abstract: The present invention is directed to extracorporeal cell systems infected with hepatitis C virus (HCV). The present invention also relates to products of such cell systems and their use as vaccines and in immunoassays. Methods whereby HCV-infected extracorporeal cell systems are constructed are included, and various immunoassays to detect HCV antibodies are also presented. The HCV-infected cell systems can be used to screen putative antiviral agents.
    Type: Grant
    Filed: July 27, 1993
    Date of Patent: October 21, 1997
    Assignee: Chiron Corporation
    Inventors: Michael Houghton, Kathelyn S. Steimer, Amy J. Weiner