Aqueous ink

Details Aqueous ink Aqueous ink

2007-03-20

2007-03-20

Klemanski, Helene (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031480, C106S031520

Reexamination Certificate

active

11010368

ABSTRACT:
An aqueous ink comprising at least two dyes each having at least one ionic hydrophilic group in a molecule thereof, wherein at least one of said at least two dyes includes an azo dye represented by formula (1):wherein A and B each independently represents a substituted or unsubstituted monovalent aromatic group; or a substituted or unsubstituted monovalent heterocyclic group; R1represents a hydrogen atom; a substituted or unsubstituted aromatic group; or a substituted or unsubstituted heterocyclic group; and X represents —CR2═ or a nitrogen atom, and when X represents —CR2═, R2represents a hydrogen atom or a substituent.

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European Search Report dated Mar. 9, 2005.

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