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US 2002/0120034 A1Published application
Ink composition for ink jet printer
AssigneeSeiko Epson Corporation
InventorsKazuaki Watanabe, Shinichi Kato, Bunji Ishimoto
Life of this patent
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Abstract
An aqueous ink composition comprising at least water, a pigment dispersed by polymer, a sulfonyl group-containing (co)polymer, and an ultra-penetrating agent. Also disclosed are a recording process using the ink composition, an ink cartridge containing the ink composition, and a recorded article having an image recorded by the recorded method.
Claims10
An aqueous ink composition comprising at least water, a pigment dispersed by polymer, a sulfonyl group-containing (co)polymer, and an ultra-penetrating agent.
Dependencies are inferred from the claim text.