Patent ID: 6593068
Filing Date: 2003-07-15
Classification: B41N

Abstract:
A concentrated dampening water composition for lithographic printing comprising an organic solvent having a solubility of 1 to 10% in water at 20Â° C., which composition comprises at least one selected from the group consisting of maleic acid and a salt thereof in an amount of from 0.5 to 10% by weight wherein the organic solvent having a solubility of 1 to 10% in water at 20Â° C. is present in an amount of from 10 to 90% by weight and is at least one selected from the group consisting of propylene glycol monobutyl ether, propylene glycol mono-tertiary-butyl ether, dipropylene glycol monopropyl ether, dipropylene glycol monobutyl ether, dipropylene glycol mono-tertiary-butyl ether, ethylene glycol monobutyl ether, and diethylene glycol monobutyl ether.