Black ink and ink set for inkjet recording

Details Black ink and ink set for inkjet recording Black ink and ink set for inkjet recording

2004-11-04

2009-02-17

Klemanski, Helene (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031460, C106S031480, C106S031500, C106S031520, C106S031570

Reexamination Certificate

active

07491266

ABSTRACT:
To provide an inkjet black ink having excellent image durability and ink discharge properties and an ink set, the inkjet black ink, which contains a dye having a λmax of from 500 nm to 700 nm and a half-band width of 100 nm or more in an absorption spectrum of a diluted solution standardized at an absorbance of 1.0 at the λmax, has the change ratio of absorbance at the λmax in the visible region, specified in the specification; and the inkjet ink set containing at least two black inks having different densities has the relationship among the at least two black inks, specified in the specification.

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