Patent ID: 8097663
Filing Date: 2012-01-17
Classification: C09D

Abstract:
1. A non-aqueous inkjet ink comprising: a pigment including C.I. Pigment Violet 19; and a polymeric dispersant according to Formula (I): wherein T represents hydrogen or a polymerization terminating group; Z represents the residue of hyperbranched polyethyleneimine having a number-average molecular weight of at least 100; A represents one or more oxyalkylene carbonyl groups selected from the group consisting of oxyalkylene carbonyl groups derivable from δ-valerolactone, ε-caprolactone, and C T-C(O)A n and m are integers wherein m is at least 2 and n is from 2 to 100; and the polymeric dispersant satisfies the conditions of: wherein W N the values of W