| 摘要 |
A infrared absorbing filter dye that also imparts a cool image tone after processing is disclosed for use in photographic elements. The dye has the formula: <IMAGE> +TR <IMAGE> where Z and Z' each independently represents the atoms necessary to complete a substituted or unsubstituted: thiazole nucleus, selenazole nucleus, indole nucleus, imidazole nucleus, or quinoline nucleus, R1 and R2 each independently substituted or unsubstituted alkyl or substituted or unsubstituted aryl, Z'' represents the atoms necessary to complete a substituted or unsubstituted heterocyclic ring, Q represents the atoms necessary to complete a substituted or unsubstituted carbocyclic ring, m and n each independently represents 0 or 1, and X represents a counterion as needed to balance the charge of the molecule.
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