Pigment-based inks for ink-jet printing

Details Pigment-based inks for ink-jet printing Pigment-based inks for ink-jet printing

2007-05-15

2007-05-15

Lorengo, J. A. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

Reexamination Certificate

active

11045704

ABSTRACT:
A neutral gray or black ink and combinations thereof for ink-jet printing, comprising: an ink vehicle; carbon black; another colored pigment or pigments such as a combination of cyan and violet pigments; wherein the carbon black and colored pigments are associated with a polymer or polymers which render the carbon black and pigments dispersible in aqueous solution.

REFERENCES:
patent: 5803958 (1998-09-01), Katsen et al.
patent: 6726758 (2004-04-01), Sano
patent: 6997979 (2006-02-01), Bauer et al.
patent: 2002/0017219 (2002-02-01), Yamazaki et al.
patent: 2005/0171238 (2005-08-01), Bauer et al.
patent: 1 217 047 (2002-06-01), None
patent: 2 370 580 (2002-07-01), None

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