Photographic sensitive elements having dyed layers

Details Photographic sensitive elements having dyed layers Photographic sensitive elements having dyed layers

1976-11-23

1977-08-09

Brammer, Jack P.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

96 84R, G03C 184

Patent

active

040408400

ABSTRACT:
Silver halide photographic sensitive elements having at least one dye containing hydrophilic colloid layer, in which the hydrophilic colloid layer contains at least one merocyanine dye having an isoxazole nucleus, a pyrazoline-5-one nucleus and at least one acid group in the molecule wherein the 3-position of the isoxazole nucleus is linked through a methine chain to the 4-position of the pyrazoline-5-one nucleus and a basic polymer is included in at least one of the hydrophilic colloid layers.

REFERENCES:
patent: 3746547 (1973-07-01), Tsuji et al.
patent: 3756819 (1973-09-01), Sinclair et al.
patent: 3795519 (1974-03-01), Miyazako et al.
patent: 3876429 (1975-04-01), Poppe et al.
patent: 3984246 (1976-10-01), Ohlschlagar et al.

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