Non-aqueous ink-set for ink-jet and ink-jet recording method

Details Non-aqueous ink-set for ink-jet and ink-jet recording method Non-aqueous ink-set for ink-jet and ink-jet recording method

2007-06-11

2009-02-10

Nguyen, Vu Anh (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C160S031000, C160S031000, C347S100000

Reexamination Certificate

active

07488763

ABSTRACT:
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):in-line-formulae description="In-line Formulae" end="lead"?1.1<V1/V2<2.5  Expression (1).in-line-formulae description="In-line Formulae" end="tail"?

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