Black ink for inkjet recording

Details Black ink for inkjet recording Black ink for inkjet recording

2006-05-23

2006-05-23

Klemanski, Helene (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031480, C106S031500, C106S031520

Reexamination Certificate

active

07048790

ABSTRACT:
Provided is a black ink for inkjet recording obtained by dissolving and/or dispersing, in an aqueous medium, at least one black azo dye having a specific property or structure and further containing at least one metal chelating agent, which is excellent in durability of image including image quality and discharge property even after the ink is filled in an ink cassette and stored for a long period of time while being set in a printer.

REFERENCES:
patent: 4818285 (1989-04-01), Causley et al.
patent: 2004/0053988 (2004-03-01), Taguchi et al.
patent: 2004/0070654 (2004-04-01), Taguchi et al.
patent: 2004/0080596 (2004-04-01), Taguchi et al.
patent: 2004/0154496 (2004-08-01), Taguchi
patent: 2004/0187734 (2004-09-01), Ozawa et al.
patent: 2004/0187736 (2004-09-01), Taguchi et al.
patent: 2004/0187738 (2004-09-01), Taguchi et al.
patent: 0422668 (1991-04-01), None

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