WATER-SOLUBLE AZO COMPOUND OR SALT THEREOF, INK COMPOSITION AND COLORED BODY

WIPO Patent Application WO/2011/122427

A1

Disclosed is a yellow pigment having a hue with high clarity suitable for inkjet recording, and having high levels and different types of fastness of recorded material, and excellent storage stability of an ink composition when said ink composition is produced; also disclosed is the ink composition containing said yellow pigment. By means of using the water-soluble azo compound represented by formula (1) or a salt thereof, and the ink composition containing the same, an ink composition is obtained having saturation and hue suitable for inject recording, having high levels and different types of fastness of recorded material, in particular high resistance to ozone gas, and having excellent storage stability of recorded images. In formula (1), Q represents a halogen atom, x represents an integer between 2 and 4, and base A represents an amino base represented by formulas (2), (6), or (7). In formula (2), m represents an integer from 1 to 5. In formula (6), Z represents a hydrogen atom, a caboxy group, or a sulfo group, and k represents an integer from 0 to 2. In formula (7), w represents an integer from 0 to 3.

MORITA RYOUTAROU (JP)
KAJIURA NORIKO (JP)
SHIBUYA YUUKI (JP)

PCT/JP2011/057112

October 06, 2011

March 24, 2011

Click for automatic bibliography generation  

NIPPON KAYAKU KK (JP)
MORITA RYOUTAROU (JP)
KAJIURA NORIKO (JP)
SHIBUYA YUUKI (JP)

C09B33/06; B41J2/01; B41M5/00; C07D251/70; C09B43/16; C09D11/00

WO2007020719A1	2007-02-22
WO2010125903A1	2010-11-04
WO2010146994A1	2010-12-23

JPS60260658A	1985-12-23
JPS62132969A	1987-06-16
JP2011105798A	2011-06-02

SHOBAYASHI, Masayuki (JP)
Right wood Masayuki (JP)

View/Download PDF      PDF Help

Previous Patent: WATER-SOLUBLE AZO COMPOUND OR SALT THEREOF, INK COMPOSITION AND COLORED BODY

Next Patent: BASE FILM FOR DICING SHEET, AND DICING SHEET