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Title:
WATER-BASED INK AND INK SET INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2023/276979
Kind Code:
A1
Abstract:
Provided is a water-based ink with which it is possible to suppress white spots, suppress the occurrence of water-based ink filling defects, and produce recorded matter having high image reproducibility. This water-based ink contains at least a coloring material, water, and an organic solvent, the coloring material containing a pigment, and the organic solvent having a water-octanol partition coefficient of −0.3 or less.

Inventors:
MOROZUMI SYUNYA (JP)
MAKIMOTO YUJI (JP)
Application Number:
PCT/JP2022/025627
Publication Date:
January 05, 2023
Filing Date:
June 27, 2022
Export Citation:
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Assignee:
DNP FINE CHEMICALS CO LTD (JP)
International Classes:
C09D11/322; B41J2/01; B41M5/00; C09D11/40
Domestic Patent References:
WO2019116906A12019-06-20
Foreign References:
JP2011063016A2011-03-31
JP2015036395A2015-02-23
JP2020084075A2020-06-04
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Attorney, Agent or Firm:
HAYASHI Kazuyoshi (JP)
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