Title:
アゾ化合物、インク組成物及び着色体
Document Type and Number:
Japanese Patent JP4677403
Kind Code:
B2
Abstract:
A novel azo compound represented by the following formula (1) wherein A represents the following formula (2) and is located preferably in a position meta or para to the azo group; R 1 and R 2 each independently represents hydrogen, carboxy, sulfo, nitro, C 1 -C 4 -alkoxy, etc; R 3 and R 4 each independently represents hydrogen, halogeno, cyano, carboxy, sulfo, nitro, C 1 -C 4 alkyl, hydroxy, or C 1 -C 4 alkoxy; and n is 0 or 1. In the formula (2), R 5 represents cyano, carboxy, C 1 -C 4 alkyl, C 1 -C 4 alkoxycarbonyl, or phenyl; and R 6 , R 7 , and R 8 , each independently represents hydrogen, halogeno, cyano, carboxy, sulfo, nitro, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, or acylamino. The compound is useful as a black dye, especially one for ink compositions for, e.g., ink-jet prints. Also provided are: an ink composition which contains the compound and has excellent storage stability; and a print obtained through recording with the ink. The print is excellent in light resistance, ozone resistance, fastness to moisture, etc.
Inventors:
Takahiko Matsui
Hiroaki Ohno
Takashi Yoneda
Shirasaki Yasuo
Hiroaki Ohno
Takashi Yoneda
Shirasaki Yasuo
Application Number:
JP2006512101A
Publication Date:
April 27, 2011
Filing Date:
April 06, 2005
Export Citation:
Assignee:
NIPPON KAYAKU KABUSHIKI KAISHA
International Classes:
C09B35/58; B41J2/01; B41M5/00; C07D231/26; C09D11/00; C09D11/30
Domestic Patent References:
| JP2006076908A | 2006-03-23 | |||
| JP2003183545A | 2003-07-03 | |||
| JPS62109872A | 1987-05-21 | |||
| JP2003201412A | 2003-07-18 |
Attorney, Agent or Firm:
Norio Saeki