Patents by Inventor Julie Ann Downey

Julie Ann Downey 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).

  • Magenta dyes and their use in ink-jet printing
    Patent number: 7446184
    Abstract: A compound of Formula (1) and salts thereof: wherein: Q is an optionally substituted aryl ring; Y is CO2H, SO3H or PO3H2; R and X are substituents; m is 0 to 3; n is 0 to 6; and q is 0 to 6. Also compositions comprising these compounds, ink-jet inks, an ink jet process and an ink-jet cartridge.
    Type: Grant
    Filed: December 6, 2004
    Date of Patent: November 4, 2008
    Assignee: Fujifilm Imaging Colorants Limited
    Inventors: Clive Edwin Foster, David Schofield, Julie Ann Downey, Neil Burnham, Philip John Double, Roy Bradbury