Patent ID: 7381260
Filing Date: 2008-06-03
Classification: C09B

Abstract:
1. A trans-thiazineindigo pigment dispersant represented by Formula (1): where: R R E denotes a basic group substituted on the carbocyclic ring or heterocyclic ring including R X denotes —S—, —O—, —SO a denotes 0 or 1; Y denotes an alkylene group having 1 to 20 carbon atoms, which may have a substituent, an alkenylene group having 2 to 20 carbon atoms, which may have a substituent, an arylene group having 6 to 20 carbon atoms, which may have a substituent, or a heterocyclic group containing a nitrogen, oxygen or sulfur atom, or two or more of these groups may be bonded together directly or through a linking group selected from —NR—, —O—, —SO b denotes 0 or 1; R p denotes an integer of 1 to 6.