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Title:
BLACK COLOR COMPOSITION, DISPERSION OF BLACK FINE PARTICLE, INKJET INK, AND INKJET RECORDING METHOD
Document Type and Number:
Japanese Patent JP2003268255
Kind Code:
A
Abstract:

To provide a black color composition which has a high density black color, and gives an inkjet ink having excellent light resistance and stability of a color image, an inkjet ink using a dispersion of black fine particles, and a recording system using the same.

The black color composition comprises at least one dye to be represented by formula (1): Q=N-X (wherein Q is a coupler residue; and X is a 5-membered or 6-membered aromatic carbon ring or a heterocyclic group). Concretely, for example, a composition comprising a dye having a structure to be represented by formula (2-1), (2-2) or (2-3) is exemplified.


Inventors:
TAKAHASHI MARI
OFUKU KOJI
MIURA AKIO
Application Number:
JP2002076068A
Publication Date:
September 25, 2003
Filing Date:
March 19, 2002
Export Citation:
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Assignee:
KONISHIROKU PHOTO IND
International Classes:
B41J2/01; B41M5/00; C09B67/20; C09B67/46; C09D11/00; C09D11/322; C09D11/40; (IPC1-7): C09B67/20; B41J2/01; B41M5/00; C09B67/46; C09D11/00