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Title:
PIGMENT COMPOSITION, PRODUCTION METHOD THEREFOR, AND WATER-BASED INK COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2019/044313
Kind Code:
A1
Abstract:
A pigment composition which comprises at least one pigment selected from the group consisting of perinone-based pigments and perylene-based pigments, water, a resin having a constituent unit represented by formula 1, and at least one compound selected from the group consisting of carboxyalkylated phthalimide compounds and carboxyalkylated naphthalimide compounds; a method for producing the pigment composition; and a water-based ink composition comprising the pigment composition. In formula 1, R1 represents a hydrogen atom or a methyl group, L2 represents –C(=O)O-, -OC(=O)-, or –C(=O)NR2-, R2 represents a hydrogen atom or a C1-6 alkyl group, and R3 represents a C6 or higher alkyl group.

Inventors:
NISHIMURA NAOKO (JP)
MORIYA KAI (JP)
Application Number:
PCT/JP2018/028329
Publication Date:
March 07, 2019
Filing Date:
July 27, 2018
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
C09B67/20; B41J2/01; C09B5/62; C09B57/12; C09D11/037; C09D11/322; C09D17/00; B41M5/00
Domestic Patent References:
WO2012124643A12012-09-20
Foreign References:
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Other References:
See also references of EP 3677647A4
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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