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Title:
WATER-SOLUBLE AZO COMPOUND OR SALTS THEREO, INK COMPOSITION AND COLORED BODY
Document Type and Number:
WIPO Patent Application WO/2011/086966
Kind Code:
A1
Abstract:
Provided is a yellow colorant which has a highly clear hue suitable for inkjet recording and which enables recorded matter to have various excellent fastnesses. Further, the yellow colorant enables the preparation of a storage-stable ink composition. Also provided is an ink composition that contains the yellow colorant. Specifically provided are a water-soluble azo compound represented by general formula (1) or a salt thereof, and an ink composition that contains the same. The ink composition has both chroma and hue which are suitable for inkjet recording, and ensures various excellent fastnesses of recorded matter, particularly excellent light fastness thereof, and excellent storage stability of recorded images. In general formula (1), Q is a halogen atom; x is an integer of 2 to 4; and A is an amino group represented by formula (2) or (3) [wherein y is an integer of 1 to 5].

Inventors:
MORITA RYOUTAROU (JP)
KAJIURA NORIKO (JP)
Application Number:
PCT/JP2011/050108
Publication Date:
July 21, 2011
Filing Date:
January 06, 2011
Export Citation:
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Assignee:
NIPPON KAYAKU KK (JP)
MORITA RYOUTAROU (JP)
KAJIURA NORIKO (JP)
International Classes:
C07D251/54; B41J2/01; B41M5/00; C07D251/70; C09B43/16; C09B67/44; C09D11/00
Domestic Patent References:
WO2009154142A12009-12-23
Foreign References:
JP2006152244A2006-06-15
JPS62132969A1987-06-16
JPS59213776A1984-12-03
JPS5996174A1984-06-02
JPH04233975A1992-08-21
JP2006152264A2006-06-15
Attorney, Agent or Firm:
SHOBAYASHI, Masayuki (JP)
Right wood Masayuki (JP)
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Claims:



 
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