Patent ID: 11866596
Assignee: SEIKO EPSON CORPORATION
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 7:
8. An aqueous ink jet composition comprising:
at least one dye selected from the group consisting of C.I. Solvent Yellow 160:1, C.I. Disperse Yellow 82, and C.I. Disperse Yellow 184;
a material A which is at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2), an ethylene oxide adduct of tristyrylphenol, and a derivative of an ethylene oxide adduct of tristyrylphenol;
an anionic dispersant; and
C.I. Acid Yellow 250,, wherein in the formula (1), R1 represents a hydrocarbon group having six carbon atoms or less or —(CH2)m—NR8R9 in which m represents an integer of six or less, and R8 and R9 each independently represent a hydrogen atom or a hydrocarbon group having six carbon atoms or less, and n represents an integer of one or more,, in the formula (2), one of R2 and R3 represents —OH, the other represents —NR4R5 in which R4 and R5 each independently represent a hydrogen atom or a hydrocarbon group having six carbon atoms or less, and n represents an integer of one or more, and
wherein the anionic dispersant includes a compound represented by the following formula (3),, wherein in the formula (3), R6 represents a hydrocarbon group having four carbon atoms or less, and n represents an integer of one or more.