Compositions: coating or plastic – Coating or plastic compositions – Marking
Reexamination Certificate
2005-11-15
2005-11-15
Lorengo, J. A. (Department: 1755)
Compositions: coating or plastic
Coating or plastic compositions
Marking
C106S031430, C106S031750, C106S031510, C106S031490, C106S031520, C347S100000
Reexamination Certificate
active
06964700
ABSTRACT:
An ink for use in ink jet recording which contains a dye and a pigment as colorants. The pigment is a self-dispersible pigment in which at least one anionic group is bonded directly or through another atomic group to a surface of the pigment, the dye is an anionic dye, 2-pyrrolidone is further contained in the ink as a solvent, and the mass-based content X of 2-pyrrolidone in the ink and the ratio Y of the pigment to the sum of the dye and the pigment satisfy the following formulas 1 to 3 at the same time:in-line-formulae description="In-line Formulae" end="lead"?12≦X<30 formula 1in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?50≦Y≦75 formula 2in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?Y≧−2X+84 formula 3.in-line-formulae description="In-line Formulae" end="tail"?
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Fujimoto Yasunori
Kato Ryota
Koitabashi Noribumi
Miyazaki Takeshi
Uji Ayako
Faison Veronica F.
Lorengo J. A.
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