Patent ID: 8414695

Claim:
A thermal ink jet ink composition comprising: one or more volatile organic solvents, wherein the one or more volatile organic solvents are selected from C 1 -C 4 alcohols, C 3 -C 6 ketones, C 4 -C 8 ethers, C 3 -C 6 esters, and mixtures thereof; one or more humectants, wherein the humectants are present in an amount not more than 30% by weight of the ink jet ink composition; one or more binder resins; one or more dyes, a surfactant selected from siloxanes, silicones, silanols, polyoxyalkyleneamines, propoxylated (poly(oxypropylene)) diamines, alkyl ether amines, nonyl phenol ethoxylates, ethoxylated fatty amines, quaternized copolymers of vinylpyrrolidone and dimethyl aminoethyl methacrylate, fluorinated organic acid diethanolamine salts, alkoxylated ethylenediamines, polyethylene oxides, polyoxyalkylene polyalkylene polyamines, polyoxyalkylene polyalkylene polyimines, alkyl phosphate ethoxylate mixtures, polyoxyalkylene derivatives of propylene glycol, polyoxyethylated fatty alcohols, and mixtures thereof; a plasticizer selected from ester plasticizers, sulfonamide plasticizers, and mixtures thereof; and optionally water up to 10% by weight of the ink jet ink composition, wherein the thermal ink composition is suitable for use in thermal ink jet printers.