Dye containing photographic sensitive elements

Gas separation: apparatus – Electric field separation apparatus – Electrode retaining or supporting means

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96 57, G03C 184

Patent

active

040594483

ABSTRACT:
A silver halide photographic light-sensitive element containing at least one hydrophilic colloid layer which contains a basic polymer and at least one oxonol dye which contains two pyrazolone nuclei in which the 3-position of the pyrazolone nuclei is substituted with a phenyl group-containing residue and in which the 1-position of the pyrazolone nuclei is substituted with a sulfo group containing aliphatic group.

REFERENCES:
patent: 3445231 (1969-05-01), Nishio et al.
patent: 3624229 (1971-11-01), Timmerman et al.
patent: 3726683 (1973-04-01), Yammamoto et al.
patent: 3740228 (1973-06-01), Ohleschlager et al.
patent: 3746547 (1973-07-01), Tsuji et al.
patent: 3795519 (1974-03-01), Miyazako et al.
patent: 3865817 (1975-01-01), Kabayashi et al.
patent: 3876429 (1975-04-01), Poppe et al.

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