Patents by Inventor Daphne P. Fickes

Daphne P. Fickes 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).

  • Reactive media-ink system for ink jet printing
    Patent number: 5537137
    Abstract: An ink/media set is provided having improved durability. The ink contains an aqueous medium and a dye or pigment dispersion as the colorant. The media has a coating that contains a hydrophilic polymer and a reactive component. The printed media is exposed to an energy source that binds the ink to the media coating, and renders the coating more durable.
    Type: Grant
    Filed: February 6, 1995
    Date of Patent: July 16, 1996
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Robert P. Held, Daphne P. Fickes, Joseph E. Reardon, Ray A. Work, III
  • Reactive media-ink system for ink jet printing
    Patent number: 5429860
    Abstract: An ink/media set is provided having improved durability. The ink contains an aqueous medium and a dye or pigment dispersion as the colorant. The media has a coating that contains a hydrophilic polymer and a reactive component. The printed media is exposed to an energy source that binds the ink to the media coating, and renders the coating more durable.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: July 4, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Robert P. Held, Daphne P. Fickes, Joseph E. Reardon, Ray A. Work, III