Aqueous ink composition

Details Aqueous ink composition Aqueous ink composition

1993-06-07

1995-10-31

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 22H, 106 22F, 106 22E, 106 27R, C09D 1102

Patent

active

054625920

ABSTRACT:
An aqueous ink composition contains a water-soluble dye composed of an anionic dye component and a cationic dye counter-ion; and an anionic additive composed of an anionic additive component and a cationic additive counter ion. The cationic additive counter ion may be one of a lithium cation, a quaternary ammonium cation or a quaternary phosphonium cation, with the amount of the anionic additive being 0.2 wt. % or more of the total weight of the aqueous ink composition.

REFERENCES:
patent: 3985663 (1976-10-01), Lu et al.
patent: 4256493 (1981-03-01), Yokoyama et al.
patent: 4352691 (1982-10-01), Owatari et al.
patent: 5061316 (1991-10-01), Moffatt
patent: 5062892 (1991-11-01), Halko
patent: 5116410 (1992-05-01), Miller
patent: 5258064 (1993-11-01), Colt

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