Patent ID: 6454846
Filing Date: 2002-09-24
Classification: C09D

Abstract:
An ink composition comprising a colorant, water, and a compound represented by formula (I):RO[&Parenopenst;EO&Parenclosest;n&Parenopenst;PO&Parenclosest;m]Mâ€ƒâ€ƒ(I) whereinR represents a group represented by formula; R1 represents an alkyl, cycloalkyl, or aryl group; EO represents an ethyleneoxy group; PO represents a propyleneoxy group; m and n each are independently 0 (zero) or a natural number of not less than 1, provided that m+n>1; EO and PO may be arranged, regardless of order in the parentheses of formula (I), randomly or as blocks joined together; R2 and R3 each independently represent a hydrogen atom or an alkyl group; and M is a group attached to the terminal oxygen atom within the parentheses.