Title:
TETRAKIS-AZO COMPOUND, COLORING MATTER FOR RECORDING, INK COMPOSITION AND COLORED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2005/108502
Kind Code:
A1
Abstract:
A compound, or a black coloring matter for recording which is represented by the following formula (1): [wherein A and D independently represent an optionally substituted phenyl group and naphthyl group, respectively, and m and n represent 1 and 2, respectively; and an ink comprising the coloring matter for recording. Said compound exhibits high solubility in a medium containing water as a main component, is stable even when an aqueous dye solution or an ink having a high concentration is prepared therefrom and is stored for a long period of time, is reduced in color rendering property, exhibits colorless and neutral black, providesa printed image having high density and also provides a black recorded image being excellent in the resistance to moisture, light and an ozone gas, and further can be synthesized with ease and can be produced at a low cost.
Inventors:
OHNO HIROAKI (JP)
MATSUI TAKAHIKO (JP)
YONEDA TAKASHI (JP)
SHIRASAKI YASUO (JP)
KAWAIDA YOSHIAKI (JP)
MATSUI TAKAHIKO (JP)
YONEDA TAKASHI (JP)
SHIRASAKI YASUO (JP)
KAWAIDA YOSHIAKI (JP)
Application Number:
PCT/JP2005/008438
Publication Date:
November 17, 2005
Filing Date:
May 09, 2005
Export Citation:
Assignee:
NIPPON KAYAKU KK (JP)
OHNO HIROAKI (JP)
MATSUI TAKAHIKO (JP)
YONEDA TAKASHI (JP)
SHIRASAKI YASUO (JP)
KAWAIDA YOSHIAKI (JP)
OHNO HIROAKI (JP)
MATSUI TAKAHIKO (JP)
YONEDA TAKASHI (JP)
SHIRASAKI YASUO (JP)
KAWAIDA YOSHIAKI (JP)
International Classes:
B41J2/01; B41M5/00; C09B33/28; C09D11/00; (IPC1-7): C09B33/28; B41J2/01; B41M5/00; C09D11/00
Domestic Patent References:
| WO2004078860A1 | 2004-09-16 |
Foreign References:
| JPH08302220A | 1996-11-19 | |||
| JPH07138492A | 1995-05-30 | |||
| JPS557869A | 1980-01-21 |
Attorney, Agent or Firm:
Saeki, Norio (Aminosan Kaiban Building 15-8, Nihonbashi
3-chome, Chuo-k, Tokyo ., JP)
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