Invention Application
US20120328975A1 PERIMIDINE-BASED SQUARYLIUM DYE, DYE-CONTAINING COMPOSITION, AND IMAGE-FORMING MATERIAL 有权
基于PERIMINEINE的SQUARYLIUM DYE,含DYE的组合物和成像材料

PERIMIDINE-BASED SQUARYLIUM DYE, DYE-CONTAINING COMPOSITION, AND IMAGE-FORMING MATERIAL
Abstract:
A perimidine-based squarylium dye contains a compound represented by Formula (I), the compound containing an isomer A and satisfying the following formula: Pa≧95(%) wherein the isomer A is an isomer of the peak shown in the longest retention time among all peaks due to isomers obtained by analysis of the compound by means of reversed-phase high-performance liquid chromatography, and Pa represents a value of the peak area of the isomer A relative to the peak area of all peaks
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