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US 2024/0174875 A1Published application
Aqueous pigment dispersion
AssigneeKao Corporation
InventorsTomohiko NAGANO, Shimpei KOBAYASHI, Hiroto SOMA, Shu NAGASHIMA, Yuki OZAKI
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Abstract
A pigment water dispersion, including pigment-containing polyester resin particles. The polyester resin contains a constitutional unit derived from an alcohol component and a constitutional unit derived from a carboxylic acid component, the alcohol component contains 3-methyl-1,5-pentanediol, and an average particle size of the pigment-containing resin particles is not less than 60 nm and not more than 350 nm.
Claims24
A pigment water dispersion, comprising:
- pigment-containing polyester resin particles,
- wherein the polyester resin comprises a constitutional unit derived from an alcohol component and a constitutional unit derived from a carboxylic acid component,
- wherein the alcohol component comprises 3-methyl-1,5-pentanediol, and
- wherein an average particle size of the pigment-containing resin particles is not less than 60 nm and not more than 350 nm.
1 more element
(canceled)
Dependencies are inferred from the claim text.