Spectral sensitization of direct-positive silver halide emulsion

Details Spectral sensitization of direct-positive silver halide emulsion Spectral sensitization of direct-positive silver halide emulsion

1974-04-29

1976-01-20

Brown, J. Travis

Gas separation: apparatus

Chromatography type apparatus

96108, 96130, G03C 136

Patent

active

039335062

ABSTRACT:
Novel dyes are described for sepctrally sensitizing direct-positive silver halide emulsions comprising fogged silver halide grains. The dyes correspond to the formula: ##SPC1##
Wherein:

REFERENCES:
patent: 3492123 (1970-01-01), Mee et al.
patent: 3615610 (1971-10-01), Florens et al.
patent: 3816121 (1974-06-01), Shiba et al.

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