Yellow ink realizing image having excellent lightfastness and color development
AssigneeSeiko Epson Corporation
InventorsTsuyoshi Sano, Kiyohiko Takemoto
Life of this patent
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Abstract
A yellow ink composition for ink jet recording is provided which possesses excellent lightfastness and in addition can retain excellent color development for a long period of time. The yellow ink composition comprises both C.I. Pigment Yellow 74 and at least one second yellow pigment selected from the group consisting of C.I. Pigment Yellow 109, 110, 128, 150, and 154.
Claims16
A yellow ink composition comprising:
- C.I. Pigment Yellow 74;
- and at least one second yellow pigment selected from the group consisting of C.I. Pigment Yellow 109, 110, 128, 150, and 154.
A yellow ink composition comprising water in a major amount, a water-soluble organic solvent in an amount of about 1 to 20% by weight, and a yellow pigment in an amount of about 1 to 10% by weight, said yellow pigment comprising C.I. Pigment Yellow 74 and at least one second yellow pigment selected from the group consisting of C.I. Pigment Yellow 109, 110, 128, 150, and 154.
A printed medium comprising a recording medium with print formed thereon, said print being formed on the recording medium by depositing the composition of claim 17 onto the recording medium.
Dependencies are inferred from the claim text.