Ink Jet Ink Composition And Recording Method
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United States of America Patent
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Issued Date -
Jun 6, 2024
app pub date -
Nov 17, 2023
filing date -
Nov 18, 2022
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Abstract
An ink jet ink composition includes: a colorant including a compound (A) represented by formula (1) below; an anionic dispersant; water; a surfactant; and a water-soluble organic solvent. In high-performance liquid chromatography (HPLC) analysis of the colorant at a measurement wavelength of 500 nm, the peak area of a compound (B) represented by formula (2) is 1.4% or less based on 100% of the total peak area of the colorant, and the peak area of a compound (C) represented by formula (3) is 0.8% or less based on 100% of the total peak area of the colorant. The water-soluble organic solvent includes a glycerol and a glycol.
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