Title:
アゾ化合物、インク組成物及び着色体
Document Type and Number:
Japanese Patent JP5085129
Kind Code:
B2
Abstract:
The present invention relates to an azo compound represented by the following formula (1):
(wherein, in the formula (1), R 1 represents a hydrogen atom; a hydroxyl group; a carboxyl group; a (C 1 -C 4 ) alkyl group which may be substituted by a hydroxyl group or a (C 1 -C 4 ) alkoxy group; or the like, and A represents an aliphatic amine residue having a carboxyl group or a sulfo group, respectively;) or a salt thereof; an ink composition containing the same; and an inkjet recording method and a colored object using the same. Said azo compound has a high color value and has a hue between yellow and red or a brown hue. The ink containing said azo compound has satisfactory storage stability, and exhibits, when printed therewith, a stable ejection property even on a thermal type inkjet printer, and gives a print of high quality (superior in light fastness, ozone gas fastness and moisture fastness).
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Inventors:
Takashi Yoneda
Hiroaki Ohno
Shirasaki Yasuo
Hiroaki Ohno
Shirasaki Yasuo
Application Number:
JP2006528538A
Publication Date:
November 28, 2012
Filing Date:
June 21, 2005
Export Citation:
Assignee:
NIPPON KAYAKU KABUSHIKI KAISHA
International Classes:
C09B43/16; B41J2/01; B41M5/00; C09D11/00; C09D11/328
Domestic Patent References:
| JP2002332426A | 2002-11-22 | |||
| JP2003073596A | 2003-03-12 |
Foreign References:
| WO2004007619A1 | 2004-01-22 | |||
| WO2002046316A1 | 2002-06-13 |
Attorney, Agent or Firm:
Norio Saeki