Patent ID: 6447114
Filing Date: 2002-09-10
Classification: B41M

Abstract:
An ink jet printing method comprising the steps of:a) providing an ink jet printer that is responsive to digital data signals; b) loading said printer with an ink jet recording element comprising a substrate having thereon an image-receiving layer comprising an inorganic, anionic pigment, an organic, anionic binder and an organic, cationic mordant, and a porous overcoat layer located over said image-receiving layer, said porous overcoat layer comprising an inorganic pigment and an organic, anionic, binder, wherein the refractive index of said inorganic pigment in said overcoat layer is at least 0.05 refractive index units less than the refractive index of said inorganic, anionic pigment in said image-receiving layer; c) loading said printer with an ink jet ink composition; and d) printing on said recording element using said ink jet ink in response to said digital data signals.