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Title:
DICHLORODIKETOPYRROLOPYRROLE PIGMENT, COLORING MATERIAL DISPERSION CONTAINING THE PIGMENT, AND PROCESS FOR PRODUCTION OF THE COLORING MATERIAL DISPERSION
Document Type and Number:
WIPO Patent Application WO/2011/024896
Kind Code:
A1
Abstract:
Disclosed are: a coloring material dispersion which contains coloring material microparticles comprising a dichlorodiketopyrrolopyrrole pigment, enables the production of a color filter having high contrast, and can be reduced in viscosity when used as a raw material for the color filter; and a process for producing the coloring material dispersion. The coloring material dispersion contains a particle growth inhibitor and coloring material microparticles comprising a dichlorodiketopyrrolopyrrole pigment, wherein the coloring material microparticles have an α-type crystallinity degree of 0.65 to 0.90 inclusive, a crystallite size of 6.0 to 13.0 nm as determined in the direction of the (-151) crystal face, and a crystallite size of 5.0 to 23.0 nm inclusive as determined in the direction of the (111) crystal face.

Inventors:
NAKAHIRA SHINICHI (JP)
MOROZUMI KAZUMASA (JP)
SASAKI DAISUKE (JP)
KIKUCHI WATARU (JP)
KANDA HIROMI (JP)
ISHIZAKA SOJI (JP)
HYODO TOMOYOSHI (JP)
KANEKO YUSHI (JP)
ISHIJI YOHEI (JP)
Application Number:
PCT/JP2010/064484
Publication Date:
March 03, 2011
Filing Date:
August 26, 2010
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
NAKAHIRA SHINICHI (JP)
MOROZUMI KAZUMASA (JP)
SASAKI DAISUKE (JP)
KIKUCHI WATARU (JP)
KANDA HIROMI (JP)
ISHIZAKA SOJI (JP)
HYODO TOMOYOSHI (JP)
KANEKO YUSHI (JP)
ISHIJI YOHEI (JP)
International Classes:
C09B67/46; C09B57/00; C09B67/02; C09B67/20; G02B5/20
Domestic Patent References:
WO2009054514A12009-04-30
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WO2007013599A12007-02-01
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Other References:
See also references of EP 2471876A4
Attorney, Agent or Firm:
IIDA, Toshizo et al. (JP)
Toshizo Iida (JP)
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