AZO COMPOUNDS, INK COMPOSITIONS, AND COLORED BODIES

Title:

AZO COMPOUNDS, INK COMPOSITIONS, AND COLORED BODIES

Document Type and Number:

WIPO Patent Application WO/2011/043184

Kind Code:

A1

Abstract:

Azo compounds represented by general formula (1)or salts thereof are provided as highly water-soluble colorants which have hues of yellow, orange, brown or red, and excellent color development properties and which, when used in various recording processes, particularly in an inkjet recording process, ensure various excellent fastnesses such as light fastness, ozone fastness, and fading balance. Ink compositions containing the colorants are also provided. In general formula (1), R1 to R8 are each independently a hydrogen atom, C1-4 alkyl, C1-4 alkoxy, or the like; and X is C1-8 alkylenediamino, xylylenediamino, or the like.

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Inventors:

MATSUI TAKAHIKO (JP)
YOSHIMOTO TAKASHI (JP)
OHNO HIROAKI (JP)
HIROTA KOJI (JP)
YONEDA TAKASHI (JP)
KAWAGUCHI AKIRA (JP)

Application Number:

PCT/JP2010/066295

Publication Date:

April 14, 2011

Filing Date:

September 21, 2010

Export Citation:

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Assignee:

NIPPON KAYAKU KK (JP)
MATSUI TAKAHIKO (JP)
YOSHIMOTO TAKASHI (JP)
OHNO HIROAKI (JP)
HIROTA KOJI (JP)
YONEDA TAKASHI (JP)
KAWAGUCHI AKIRA (JP)

International Classes:

C09B43/16; B41J2/01; B41M5/00; C09D11/00

Domestic Patent References:

WO2006001274A1	2006-01-05
WO2008142989A1	2008-11-27
WO2006001274A1	2006-01-05
WO2008142989A1	2008-11-27
WO2003106572A1	2003-12-24
WO2005052065A1	2005-06-09

Foreign References:

JP2002332426A	2002-11-22
JP2005298636A	2005-10-27
JP2009084345A	2009-04-23
JP2002332426A	2002-11-22
JP2005298636A	2005-10-27
JP2009084345A	2009-04-23
JP2005220338A	2005-08-18
JP2007314602A	2007-12-06
JP2004083492A	2004-03-18

Other References: