Patent ID: 8142558

Claim:
A thermal ink jet ink composition comprising one or more volatile organic solvents, one or more humectants, one or more binder resins, one or more dyes, and a polymeric surfactant comprising a blend of silanols and cyclic silicones, wherein the one or more humectants are present in an amount from about 1% to about 30% by weight of the ink jet ink composition, wherein the one or more volatile organic solvents are selected from the group consisting of C 1 -C 4 alcohols, C 4 -C 8 ethers, C 3 -C 6 ketones, C 3 -C 6 esters, and mixtures thereof, wherein the thermal ink jet ink composition optionally includes water up to about 10% by weight of the ink jet ink composition and wherein the thermal ink jet ink composition is suitable for use in thermal ink jet printers.