Patents by Inventor Christine M. Williams-Hughes

Christine M. Williams-Hughes 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).

  • Method of inactivation of viral and bacterial blood contaminants
    Patent number: 5587490
    Abstract: A compound is provided for inactivating viral, bacterial or other contamination in cells, body fluids or fractions thereof. The compound comprises a psoralen with a single substituent that is either a quaternary phosphonium or ammonium moiety, and at least one substituent that is a halogen. The compound selectively binds to the contaminant, and upon activation by irradiation, damages the contaminant.
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: December 24, 1996
    Assignee: Credit Managers Association of California
    Inventors: Raymond P. Goodrich, Jr., Matthew S. Platz, Nagender Yerram, Roger W. Hackett, Marjan van Borssum Waalkes, Christine M. Williams-Hughes, Victoria A. Wong