Ink, ink jet recording method and azo compound

Details Ink, ink jet recording method and azo compound Ink, ink jet recording method and azo compound

2005-04-12

2005-04-12

Klemanski, Helene (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031500, C534S755000, C534S757000, C534S753000, C534S775000, C534S774000

Reexamination Certificate

active

06878196

ABSTRACT:
An ink containing at least one dye represented by formula (1):wherein R1, R2and R3are each independently a hydrogen atom or a monovalent group; Z is a nitrogen atom, or a carbon atom to which a hydrogen atom or a monovalent group is bonded; and at least one of R1, R2, R3, and the monovalent group that Z has is a substituent having a heterocyclic group substituted with an azo group.

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Ayyangar et al, “Synthesis of Monoazo Disperse Dyes from 5-Amino-3-methyl-1-(3′,5′-disubstituted) s-Triazinylpyrazoles and a Study of Their Visible Absorption and Dyeing Properties”;J. Soc. Dyers&Colourists, vol. 102, pp. 176-181, May/Jun. 1986.

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