Patents Assigned to American Ink Jet Corporation
  • Lightfast ink jet inks
    Patent number: 6641257
    Abstract: An ink with improved lightfastness suitable for thermal ink jet printing contains at least an aqueous vehicle, a dye and a light stabilizer to protect the dye in the ink during exposure to light. Different additives as light stabilizer for individual inks were described herein. A UV Glossy substrate was found to reinforce the lightfastness of print.
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: November 4, 2003
    Assignee: American Ink Jet Corporation
    Inventors: Fengying Shi, Paul Doll, Walter Wnek, Michael Andreottola
  • Systems and methods for lithography
    Patent number: 6558458
    Abstract: The systems and methods described herein relate to lithographic printing processes which utilize ink jet techniques to prepare lithographic plates. Images, such as text and pictures, can be printed onto the lithographic plates using an ink formulation comprising a Werner complex of chromium to give rise to a durable image on the lithographic plate.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: May 6, 2003
    Assignee: American Ink Jet Corporation
    Inventor: Daniel F. Gloster