Patents by Inventor LeAnn Marie Bell

LeAnn Marie Bell 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).

  • Additives to eliminate bronzing of ink-jet inks printed on photo media
    Patent number: 8177346
    Abstract: Anti-bronzing agents are added to ink-jet inks to prevent bronzing of the inks when printed on various types of photographic media. The additive can include one or more anti-bronzing agents comprising certain planar aliphatic or planar aromatic ring structures. The planar ring-containing anti-bronzing agent can be present in an effective concentration to reduce bronzing of the ink-jet ink printed on the ink-receiving layer.
    Type: Grant
    Filed: February 14, 2005
    Date of Patent: May 15, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Linda C. Uhlir-Tsang, John R. Moffatt, Mary E. Austin, LeAnn Marie Bell