| US 7,488,763 B2 | ||
| Non-aqueous ink-set for ink-jet and ink-jet recording method | ||
| Masayuki Ushiku, Yokohama (Japan); Hisato Kato, Tokyo (Japan); and Manabu Kaneko, Hachioji (Japan) | ||
| Assigned to Konica Minolta IJ Technologies, Inc., Tokyo (Japan) | ||
| Filed on Jun. 11, 2007, as Appl. No. 11/811,850. | ||
| Claims priority of application No. 2006-164414 (JP), filed on Jun. 14, 2006; and application No. 2006-256897 (JP), filed on Sep. 22, 2006. | ||
| Prior Publication US 2007/0293601 A1, Dec. 20, 2007 | ||
| Int. Cl. C09D 11/00 (2006.01) | ||
| U.S. Cl. 523—160 [160/31.6; 160/31.85; 347/100] | 12 Claims |
| 1. A non-aqueous ink-set for ink-jet recording comprising one or more inks each comprising a mixed solvent, a pigment and
a resin and at least one of colors is constituted by a light colored ink and a dark colored ink different from each other
in a pigment concentration,
wherein a ratio (V1/V2) of viscosity (V1) of the mixed solvent contained in the light colored ink to viscosity (V2) of the mixed solvent contained in the dark colored ink satisfies Expression (1):
1.1<V1/V2<2.5 Expression (1).
|