Spectrally sensitized silver halide emulsion containing an inter

Details Spectrally sensitized silver halide emulsion containing an inter Spectrally sensitized silver halide emulsion containing an inter

1974-08-19

1976-09-07

Louie, Jr., Won H.

Gas separation: apparatus

Solid sorbent apparatus

96120, G03C 128, G03C 102

Patent

active

039792137

ABSTRACT:
This invention relates to improved spectral sensitization of silver halide emulsions containing silver halide grains having metal dopants occluded therein. In one aspect, methine dyes having a primary absorption peak at less than 700 millimicrons and a cathodic halfwave potential less positive than -1.0 volt can be incorporated in silver halide emulsions containing grains having metal dopants occluded therein at high concentrations which would normally cause considerable desensitization in a conventional surface-sensitive silver bromoiodide emulsion.

REFERENCES:
patent: 2497876 (1948-08-01), Fallesen et al.
patent: 2592250 (1949-05-01), Davey et al.
patent: 3206313 (1965-09-01), Porter et al.
patent: 3531290 (1970-09-01), Litzermarr et al.

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