Patent 7524366 was granted and assigned to E.I. Du Pont De Nemours And Company on April, 2009 by the United States Patent and Trademark Office.
The present invention pertains to a cyan dye-based inkjet ink having substantially no absorption in the near-infrared region of the spectrum (near-IR transparent). The invention further pertains to a dye-based inkjet ink set comprising this near-IR transparent cyan ink.