Patent ID: 7169218

Claim:
A multi-colored ink jet printing process comprising printing, in any sequence, onto a substrate: a first ink jet ink composition; a second ink jet ink composition of a different color than the first ink composition; a third ink jet ink composition of a different color than the first and second ink compositions; and a fourth ink jet ink composition of a different color than the first, second, and third ink jet compositions; wherein (i) each of the first, second, third and fourth ink compositions comprises a colorant and an ink vehicle, (ii) the ink vehicles of the first ink composition and the second ink composition match each other, each of the ink vehicles in the first and second ink compositions being free of a drying agent, and (iii) the ink vehicles of the third ink composition and the fourth ink composition match each other, each of the ink vehicles of the third and fourth ink compositions comprising a drying agent.