Ink jet ink set

Details Ink jet ink set Ink jet ink set

2006-06-27

2006-06-27

Klemanski, Helene (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031490, C106S031510, C106S031520, C106S031580, C106S031480, C106S031500, C347S100000

Reexamination Certificate

active

07066991

ABSTRACT:
An ink jet set comprising: a) a cyan ink comprising a carrier and a sulfonated copper phthalocyanine dye; b) a magenta ink comprising a carrier and an anthrapyridone magenta dye or metal complex magenta dye, or azo-naphthol derivative magenta dye or mixture thereof; c) a yellow ink comprising a carrier and an azo-aniline yellow dye or metal complex yellow dye or mixtures thereof; and d) a trisazo black dye of the following structurewhere Met is a metal atom, preferably Al, Co, Cr, Cu, Fe, or Ni; R1is a phenyl or naphthalene radical substituted by 1, 2 or 3 substituents selected from the group consisting of OH, O(C1–C6)-alkyl, COOM, SO3M and NH2; R2is C1–C6-alkyl, n is 0 or 1, X is a chemical bond or —CO— or —SO2—; R3is H, methyl or O(C1–C6)-alkyl; R4and R5are each H, COOM or SO3M; R6is a phenyl, pyridyl or pyrazole radical substituted by 1,2 or 3 substituents selected from the group consisting of OH, O(C1–C6)-alkyl, COOM, SO3M, NH2, NHaryl, NHacyl and phenylsulfo; and M is ammonium, H, K, Li, or Na.

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