Patents by Inventor Michael Andreottola

Michael Andreottola 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).

  • 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