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US 12,338,355 B2Granted
Ink jet composition and ink jet recording method
AssigneeSeiko Epson Corporation
InventorsNikako Tsukiji, Soichi Yamazaki, Koichi Terao, Harunobu Komatsu, Koji Horiba
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Abstract
An ink jet composition of the present disclosure includes water; a polyester resin having sulfo groups; and a colorant, the colorant is contained in particles formed from a material containing the polyester resin, and the particles have an average particle diameter of 100 nm or less and are contained in the ink jet composition at a content rate of 15 percent by mass or more.
Claims7
An ink jet composition comprising:
- water;
- a polyester resin having sulfo groups;
- and
- a colorant,
- wherein the colorant is contained in particles formed from a material containing the polyester resin,
- the particles contain at least two types of polyester resins having different sulfo-group content rates, and
- the particles have an average particle diameter of 100 nm or less and are contained in the ink jet composition at a content rate of 15 percent by mass or more.
4 more elements
Dependencies are inferred from the claim text.