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Summary:This carrier carries a pigment (A) and a co-adsorbent (B) represented by the following general formula (1). (In the formula, ring A represents a 5- or 6-membered heterocycle which may be further condensed; the hydrogen atom in ring A may be substituted by a hydrocarbon group which may have a substituent, a halogen atom, a cyano group, a nitro group, a -OR2 group, or a -SR2 group; Z represents a divalent aliphatic hydrocarbon group interrupted 0-3 times by -O- or the like; Z1 represents a divalent aromatic group; R1 represents a carboxylic acid group, a sulfonic acid group, a phosphoric acid group, or a phosphonic acid group; R2 and R3 represent a hydrocarbon group which may have a hydrogen atom or a substituent; Anm− represents an m-valent anion; m represents an integer of 1 or 2; and p represents a coefficient for maintaining a neutral electric charge).
Bibliography:Application Number: US201515108912