| abstract |
An ink comprising water, a water-dissipatable polymer and one or more dyes of Formula (1):wherein:R1 is H or a substituent;R2 and R3 are each independently optionally substituted alkyl, aryl or aralkyl, or R2 andR3 together with the carbon atom to which they are attached form an optionally substituted ring;R4 is H or optionally substituted alkyl, aryl or aralkyl; andD is an optionally substituted arylene group. Also claimed are the dyes of Formula (1), ink jet printing processes and cartridges containing the inks. |