IP Library › Granted Patent US 8,361,218
Granted Patent B2
US 8,361,218 · App. 12/799,933 · Granted Jan 29, 2013

Coloring composition, method for production thereof, and coloring method

Inventors: Atsushi Nogami (Chuo-ku, JP); Toshiyasu Fujita (Chuo-ku, JP); Masanori Takakamo (Chuo-ku, JP); Shigeru Sakamoto (Chuo-ku, JP); Michiei Nakamura (Chuo-ku, JP)
Assignee: Dainischiseika Color & Chemicals Mfg. Co., Ltd.
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Quick Facts
Patent No.
US 8,361,218
App. No.
12/799,933
Granted
Jan 29, 2013
Kind
B2
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.

Claims (5)

1. 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.

2. The image-recording/pixel-forming coloring composition according to claim 1 , which is a blue pixel-forming ink for color filters.

3. The image-recording/pixel-forming coloring composition according to claim 1 , which is an ink for stationeries.

4. The image-recording/pixel-forming coloring composition according to claim 1 , which is an inkjet ink.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 5, 2010
From: NOGAMI, ATSUSHI; FUJITA, TOSHIYASU; TAKAKAMO, MASANORI; SAKAMOTO, SHIGERU; NAKAMURA, MICHIEI
To: DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.
Reel/Frame 024392/0506 →
Priority Claims (1)
JP 2007-290597 · Nov 8, 2007 · national
Continuity (2)
Continuation PCTJP2008070352 · Nov 7, 2008
Related Publication 20100291359A1 · Nov 18, 2010