Invention Grant
US07691191B2 Anthrapyridone compound, salt thereof, magenta ink composition and colored product 失效
蒽吡啶酮化合物,其盐,品红色油墨组合物和着色产物

Anthrapyridone compound, salt thereof, magenta ink composition and colored product
Abstract:
The present invention relates to a novel anthrapyridone compound represented by the following formula (1) or a salt thereof, and can provide a magenta coloring matter having a highly vivid hue suitable for inkjet recording, a high fastness to recorded matters, and an excellent storage stability; wherein R1 represents a benzyl group wherein the phenyl group of the benzyl group may be further substituted by a methyl group, a chlorine atom or a nitro group, 1-naphthylmethyl group or the like, and R2 represents a hydrogen atom, an alkyl group or the like, respectively.
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