WATER SOLUBLE AZO COMPOUND, INK COMPOSITION, AND COLORED MATERIAL

Title:

WATER SOLUBLE AZO COMPOUND, INK COMPOSITION, AND COLORED MATERIAL

Document Type and Number:

WIPO Patent Application WO/2007/049366

Kind Code:

A1

Abstract:

This invention provides a water soluble azo compound for yellow represented as a free acid by formula (1): [Chemical formula 1] (1) wherein A represents a hydroxyl group, a morpholino group, an amino group, an optionally substituted aliphatic amine residue, an optionally substituted aromatic amine residue, an optionally substituted phenoxy group, or an optionally substituted alkoxy group; R1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; R2 represents a hydrogen atom, a nitro group, or a hydroxyl group; and n is an integer of 1 to 3, and an ink composition comprising the water soluble azo compound. The ink composition is highly stable, is suitable for ink jet printing, and can yield printed matter having a very high level of various fastness properties such as ozone resistance.

Inventors:

TAKAHASHI SHINJIROU (JP)
DEJIMA YOSHIYUKI (JP)
SHIRASAKI YASUO (JP)

Application Number:

PCT/JP2005/024117

Publication Date:

May 03, 2007

Filing Date:

December 28, 2005

Export Citation:

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Assignee:

NIPPON KAYAKU KK (JP)
TAKAHASHI SHINJIROU (JP)
DEJIMA YOSHIYUKI (JP)
SHIRASAKI YASUO (JP)

International Classes:

C09B43/16; B41M5/00; C07D251/52; C07D251/70; C09B33/06; C09D11/00

Domestic Patent References:

WO1998012263A1	1998-03-26
WO2004007619A1	2004-01-22

Foreign References:

JPH04233975A	1992-08-21
JPH08325493A	1996-12-10
JPH1170729A	1999-03-16
JP2000154344A	2000-06-06
JP2003034763A	2003-02-07
JP2004075719A	2004-03-11

Other References: