Title:
新規ポルフィラジン色素、インク、インクセット及び着色体
Document Type and Number:
Japanese Patent JP5027674
Kind Code:
B2
Abstract:
The present invention relates to a porphyrazine coloring matter represented by the following formula (1):
(wherein, A, B, C and D independently represent a 6-membered ring having aromaticity, at least one or more of them are benzene rings and at least one or more of them contain nitrogen-containing heteroaromatic rings; E represents alkylene, X is a substituted anilino group and have at least one or more of sulfo group, carboxy group and phosphono group as a substituent, Y represents a hydroxy group or an amino group, b is respectively 0 to 2.9, c is 0.1 to 3, and the sum of b and c is 1 to 3) in free acid form, which is suitable for inkjet recording because it has good hue as a cyan ink, is excellent in light fastness, ozone fastness and moisture fastness, and does not cause bronzing phenomenon.
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Inventors:
Takafumi Fujii
Yoshiaki Kawaida
Yoshiaki Kawaida
Application Number:
JP2007557886A
Publication Date:
September 19, 2012
Filing Date:
February 08, 2007
Export Citation:
Assignee:
NIPPON KAYAKU KABUSHIKI KAISHA
International Classes:
C09B47/00; B41J2/01; B41M5/00; B41M5/50; B41M5/52; C09B47/26; C09D11/00; C09D11/322; C09D11/326; C09D11/38
Foreign References:
| WO2005021658A1 | ||||
| WO2004087815A1 |
Attorney, Agent or Firm:
Norio Saeki