Water-insoluble colorant dispersion, production method...

Details Water-insoluble colorant dispersion, production method... Water-insoluble colorant dispersion, production method...

2009-03-09

2011-12-27

Harlan, Robert D. (Department: 1762)

Coating processes

Nonuniform coating

C524S556000, C524S090000, C524S105000, C524S190000, C347S100000

Reexamination Certificate

active

08084092

ABSTRACT:
A water-insoluble colorant dispersion prepared by a production method including a step of codissolving a water-insoluble colorant and a polymer compound having one or more acid groups selected from carboxylic acid group, sulfonic acid group and phosphoric acid group as hydrophilic group in an organic solvent in the presence of a phase-transfer base represented by the Formula (I) or (II), and mixing the obtained solution with an aqueous medium; characterized by containing water-insoluble colorant fine particles, a polymer compound having one or more acid groups selected from the group consisting of carboxylic acid group, sulfonic acid group and phosphoric acid group as hydrophilic group, an aqueous medium, and a phase-transfer base represented by the Formula (I) or (II):wherein R1to R5each independently represents a methyl, ethyl or propyl group, n represents an integer of 1 to 4.

REFERENCES:
patent: 2004/0030002 (2004-02-01), Tsuru et al.
patent: 2005/0124728 (2005-06-01), Komatsu et al.
patent: 2007/0123608 (2007-05-01), Nakahama et al.
patent: 1 215 251 (2002-06-01), None
patent: 1 364 997 (2003-11-01), None
patent: 2004-043776 (2004-02-01), None
patent: 2006-057044 (2006-03-01), None
patent: 2007-119586 (2007-05-01), None

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