Method for supersensitizing silver halide photographic emulsions

Details Method for supersensitizing silver halide photographic emulsions Method for supersensitizing silver halide photographic emulsions

1976-10-27

1978-06-27

Brown, J. Travis

Gas separation: apparatus

Solid sorbent apparatus

Plural solid sorbent beds

96107, 96109, G03C 114

Patent

active

040972844

ABSTRACT:
A method for spectrally sensitizing a silver halide photographic emulsion with a supersensitizing combination as hereinafter described, wherein the combination of a trimethinecyanine dye and a nitrogen-containing heterocyclic compound having a mercapto group, which is capable of producing a slightly soluble silver salt by reacting with a silver ion, is incorporated in the emulsion in a supersensitizing amount.

REFERENCES:
patent: 3457078 (1969-07-01), Riester
patent: 3637393 (1972-01-01), Sakamoto et al.
patent: 3753719 (1973-08-01), Sakamoto et al.
patent: 3776738 (1973-12-01), Ohlschlager et al.
patent: 3895948 (1975-07-01), Shiba et al.

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