Patent ID: 7510605

Claim:
A dye represented by formula (2), (3) or (4): wherein R 3 and R 4 each independently represents a monovalent group, Ar 1 and Ar 2 each independently represents an aryl group or a hetero ring group, and M represents a hydrogen atom or a cation; wherein R 5 , R 6 ,R 7 , and R 8 each independently represents a monovalent group, Ar 3 represents a divalent linking group, M represents a hydrogen atom or a cation; wherein R 9 and R 10 each independently represents a monovalent group, Ar 4 and Ar 5 each independently represents an aryl group or a hetero ring group, Ar 6 represents a divalent linking group, and M represents a hydrogen atom or a cation.