Ink set, ink cartridge, ink jet printer and recording method

Details Ink set, ink cartridge, ink jet printer and recording method Ink set, ink cartridge, ink jet printer and recording method

2008-01-08

2008-01-08

Klemanski, Helene (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031480, C106S031500, C347S100000

Reexamination Certificate

active

07316739

ABSTRACT:
The ink set of the present invention provides a high ejection stability, gives an image having an excellent hue, light-resistance and waterproofness and improves the image preservability under severe conditions in ink jet recording, in which the ink set comprising a plurality of inks different in hues, wherein the plurality of inks includes a yellow ink containing a coloring agent that is a dye having: a λmax of from 390 nm to 470 nm; an I(λmax+70 nm)/I(λmax) ratio of not greater than 0.4, in which I(λmax) is the absorbance at λmax and I(λmax+70 nm) is the absorbance at (λmax+70 nm); and a forced fading rate constant of not greater than 5.0×10−2[hour−1], an ink cartridge having the ink set received therein, an ink jet printer comprising the ink cartridge mounted therein and an image recording method.

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