Compositions: coating or plastic – Coating or plastic compositions – Marking
Patent
1998-04-16
2000-03-07
Klemanski, Helene
Compositions: coating or plastic
Coating or plastic compositions
Marking
106 3128, 106 3148, 106 3149, 106 315, 106 3152, 106 319, C09D 1102
Patent
active
060334630
ABSTRACT:
A multicolor ink set includes a black ink including at least a water-insoluble coloring material in which a carboxylic acid structure or a carboxylate salt structure is exposed to the surface, water, and a water-soluble organic solvent, and having a surface tension at 20.degree. C. of from 30 to 60 mN/m, and a color ink including at least one or more water-soluble coloring material selected from cyan, magenta and yellow, water, and a water-soluble organic solvent, having a surface tension at 20.degree. C. of from 20 to 50 mN/m and lower than that of the black ink, and 50% by weight or more of the water-soluble coloring material has a solubility in water at 20.degree. C. of 10% by weight or less.
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Hashimoto Ken
Ichizawa Nobuyuki
Suzuki Atsushi
Yamashita Kunichi
Yui Toshitake
Fuji 'Xerox Co., Ltd.
Klemanski Helene
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