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US 2014/0210918 A1Published application
Ink set
AssigneeSeiko Epson Corporation
InventorsShiki Kumagai, Hiroki Nakane, Akira Mizutani
Life of this patent
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Abstract
The ink set includes a deep black ink containing a carbon black, and a pale black ink containing the carbon black with a lower content than the deep black ink. The deep black ink further contains a first colorant and a second colorant, and the pale black ink further contains the first colorant, but does substantially not contain the second colorant. The first and the second colorant are each selected from the group consisting of cyan colorants, magenta colorants, violet colorants, and green colorants.
Claims14
An ink set comprising:
- a deep black ink containing a carbon black, a first colorant, and a second colorant;
- and
- a pale black ink containing the carbon black with a lower content than the deep black ink, the first colorant, and substantially no second colorant,
- wherein the first and the second colorant are each selected from the group consisting of cyan colorants, magenta colorants, violet colorants, and green colorants.
1 more element
Dependencies are inferred from the claim text.