Infra-red sensitising dyes for silver halide

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430230, 430302, 430584, 430944, 430945, 548219, G03C 120

Patent

active

049592947

ABSTRACT:
Infra-red sensitizing dyes for silver halide having a mucleus of the general formula: ##STR1## in which: Q represents Cl or Br,

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Slominskii, Yu L., et al. "Polymethine Dyes with Hydrocarbon Bridges, Enamino Ketones in the Chemistry of Dyanine Dyes," Zhurnal Organicheskoi Khimii, vol. 19, No. 10, pp. 2134-2142, Oct. 1983.
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