Ink, ink jet recording method, ink cartridge, recording unit...

Details Ink, ink jet recording method, ink cartridge, recording unit... Ink, ink jet recording method, ink cartridge, recording unit...

2008-06-10

2009-06-23

Klemanski, Helene (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C347S100000

Reexamination Certificate

active

07550037

ABSTRACT:
Provided is a black ink which provides an image with excellent color tone, little color tone change after a light fastness test and excellent balance of color tone change and light fastness. The black ink further provides an image with a gradation property having a color tone close to a neutral color tone even before and after a light fastness test. The ink contains at least a compound represented by the general formula (I) as a first coloring material, a compound represented by the general formula (II) as a second coloring material and a compound represented by the general formula (III) as a third coloring material

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