Ink-jet recording liquid and process for producing the same

Details Ink-jet recording liquid and process for producing the same Ink-jet recording liquid and process for producing the same

2005-07-19

2005-07-19

Lorengo, J. A. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031650, C106S031600, C106S031800, C106S031810, C106S031770

Reexamination Certificate

active

06918955

ABSTRACT:
An ink-jet recording liquid using a dye and a pigment, which is excellent in dispersibility and has good printing performance and storage stability, and a process for producing the same are provided.There are provided an ink-jet recording liquid containing a pigment, a dye and a surfactant which are incorporated in an aqueous medium, characterized in that (1) the pigment and the dye at least partly comprise a pigment and a dye reversibly adsorbed thereon without involving a chemical reaction, (2) the dye reversibly adsorbed on the pigment without involving a chemical reaction contains a dye having a dye adsorption shown by the following formula (1) of 0.02 g/g or more, and (3) as the surfactant, a nonionic surfactant and an anionic surfactant coexist; and a process for producing the same.

REFERENCES:
patent: 6514328 (2003-02-01), Katoh et al.
patent: 6565950 (2003-05-01), Tomioka et al.
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patent: 2000-303014 (2000-10-01), None
patent: WO 99/61534 (1999-12-01), None
English Machine Translation of JP 11-293164 Oct. 1999.

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