Compositions: coating or plastic – Coating or plastic compositions – Marking
Reexamination Certificate
2007-09-07
2008-11-04
Klemanski, Helene (Department: 1793)
Compositions: coating or plastic
Coating or plastic compositions
Marking
C106S031490, C106S031580, C106S031770, C106S031780, C106S031860, C347S100000
Reexamination Certificate
active
07445666
ABSTRACT:
An ink jet ink which can form images whose bleeding resistance is high and whose bronzing phenomenon is suppressed, is provided. The ink is an ink jet ink for use together with a pigment ink. The ink jet ink is characterized in that: the ink jet ink contains a coloring material, a polyvalent metal and a water-soluble organic solvent(s); the coloring material is at least a compound represented by the general formula (I); a content (mol/g) of the polyvalent metal is 2.0×10−6mol/g or more and 4.0×10−4mol/g or less; a total content (mass %) of the water-soluble organic solvent(s) is 25.0 mass % or more with respect to the total mass of the ink; and in a dispersion distance distribution, measured by a small angle X-ray scattering method, of molecular aggregates in the ink jet ink whose coloring material concentration is adjusted to 0.5 mass %, a dispersion distance d75value corresponding to 75% of a distribution is 12.60 nm or less.
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Kawabe Minako
Nishino Yuuki
Takuhara Hiroyuki
Tomioka Hiroshi
Yanagimachi Satomi
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Klemanski Helene
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