Patent ID: 7682011

Claim:
A recording ink comprising: water, a wetting agent, a surfactant, and a colorant wherein the colorant is an aqueous dispersion of polymer fine particles comprising a colorant, the wetting agent comprises 3-methyl-1,3-butanediol, the surfactant is at least one of the group of compounds selected from the group consisting of compounds represented by the formula (I): CF 3 CF 2 (CF 2 CF 2 ) m —CH 2 CH 2 O(CH 2 CH 2 O) n H Formula (I) wherein “m” is an integer of 0 to 10 and “n” is an integer of 1 to 40, and the recording ink is at least one selected from the group consisting of a cyan ink, a magenta ink, and a yellow ink.