Patent ID: 6241811
Filing Date: 2001-06-05
Classification: C09D

Abstract:
A process for producing an ink composition, said ink composition comprising components including a pigment, a dispersant, water and an alkyl ether derivative, with 3 or more carbon atoms, of a polyhydric alcohol and/or an acetylene glycol compound represented by the following formula (I): ##STR3##wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4, each independently represent an alkyl group having 1 to 6 carbon atoms; and n and m are an integer, provided that the sum of n and m is 0 to 30, said process comprising the steps of:dispersing a mixture comprising at least the pigment, the dispersant, water, and the alkyl ether derivative, with 3 or more carbon atoms, of a polyhydric alcohol and/or the acetylene glycol compound represented by the formula (I) to prepare the ink composition.