Patent ID: 8387530

Claim:
A process for making a non-woven substrate having a vibrant graphic applied thereto, said process comprising: feeding to a printing apparatus a non-woven substrate comprising a fibrous non-woven web composed at least in part of polyolefin fibers; supplying the printing apparatus with an ink composition having a viscosity in the range of about 28 seconds to about 35 seconds as determined using a Zahn #2 cup and comprising at least one solvent having an evaporation rate relative to n-butyl acetate of less than 0.8; operating the printing apparatus to apply the ink composition to the fibrous non-woven web while the fibrous non-woven web is in a dry condition to form a graphic thereon having a thickness of less than or equal to about 5 microns; and allowing the ink composition to dry on the fibrous non-woven web.