Patent ID: 7906263
Filing Date: 2011-03-15
Classification: G03G

Abstract:
1. A color toner for developing electrostatic latent images comprising a colored resin particle containing at least a binder resin, a colorant, a charge control agent and a parting agent, wherein said colorant is a yellow colorant, a magenta colorant or a cyan colorant, wherein an extracted liquid with water by means of a hot water extraction method from said colorant has a pH value in the range from 6.0 to 8.0, wherein said colored resin particle has a volume average particle diameter (Dv) in the range from 4 to 10 μm and an average circularity in the range from 0.93 to 0.995, wherein an amount of extracted components with methanol is 7% by weight or less, and wherein an amount of residual volatile compounds is 500 ppm or less.