Patent 7638561 was granted and assigned to Rohm and Haas on December, 2009 by the United States Patent and Trademark Office.
An aqueous inkjet ink composition suitable for printing on a hydrophobic surface such as a vinyl surface including an aqueous vehicle, a self-dispersed pigment, a silicone-containing surfactant and an aqueous emulsion polymer having a glass transition temperature (Tg) of from −40° C. to 150° C. Also provided is a method for printing an image on a hydrophobic substrate.