C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 5/14 (2006.01) B41J 2/01 (2006.01) C09D 11/00 (2006.01)
Patent
CA 2526039
The present invention provides magenta dyestuff represented by the formula (1): (see formula 1) (wherein symbols are as defined in the present description), with hue and vividness suitable to ink-jet recording, records excellent in fastness to light, gas, water and so on and a superior ink composition using said dyestuff.
L'invention porte sur un pigment Magenta représenté par la formule (I) (dans laquelle les symboles sont tels que définis dans le descriptif) et dont la couleur et la définition sont appropriées à l'impression à jet d'encre et qui permet d'obtenir une matière imprimée ayant une excellente résistance à la lumière, au gaz, à l'eau et autre. L'invention porte également sur une excellente composition d'encre utilisant le pigment de l'invention.
Fujii Katsunori
Fujii Takafumi
Matsumoto Hiroyuki
Murakami Yasuo
Shirasaki Yasuo
Nippon Kayaku Kabushiki Kaisha
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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