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Home › Alkanediyl bridged benzimidazolo monomethine cyanine dyes, processes for their preparation, and photographic emulsions and elements containing such dyes

Alkanediyl bridged benzimidazolo monomethine cyanine dyes, processes for their preparation, and photographic emulsions and elements containing such dyes

US Patent 4490463 · Granted Dec 25, 1984

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Alkanediyl bridged benzimidazolo monomethine cyanine dyes, processes for their p1984