Patent number: 8080066
Abstract: An azo pigment represented by the general formula (1), a tautomer, salt, or hydrate thereof: wherein R1, R2, R3, Y, Z, and G each independently represents a hydrogen atom or a substituent, n represents an integer of from 2 to 4 and, when n=2, the general formula (1) represents a dimer formed through R1, R2, R3, Y, Z, or G and, when n=3, the general formula (1) represents a trimer formed through R1, R2, R3, Y, Z, or G and, when n=4, the general formula (1) represents a tetramer formed through R1, R2, R3, Y, Z, or G.
Type:
Grant
Filed:
March 5, 2009
Date of Patent:
December 20, 2011
Assignee:
Fujifilm Corporation
Inventors:
Shinya Hayashi, Keiichi Tateishi, Naoyuki Hanaki