Coloring composition, method for production thereof, and coloring method
AssigneeDainischiseika Color & Chemicals Mfg. Co., Ltd.
InventorsAtsushi Nogami, Toshiyasu Fujita, Masanori Takakamo, Shigeru Sakamoto, Michiei Nakamura
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Abstract
The present invention provides an image-recording/pixel-forming coloring composition containing a phthalocyanine type colorant having at least one group selected from alkyl and alkyloxy groups (alkylphthalocyanine type colorant). According to the present invention, there can also be provided a coloring composition containing a phthalocyanine type colorant capable of exhibiting excellent properties when used as an image-recording coloring composition or pixel-forming coloring composition, production processes of the phthalocyanine type colorants, a coloring method, and the like.
Claims4
An image-recording/pixel-forming coloring composition comprising a copper monomethylphthalocyanine type colorant, wherein the copper monomethylphthalocyanine type colorant has at least one group selected from the group consisting of sulfonic, phthalimidomethyl, carboxyl and amino groups;
- and further comprising an ε-copper phthalocyanine pigment or an unsubstituted copper monomethylphthalocyanine pigment.
Dependencies are inferred from the claim text.