Photographic emulsions containing methine dyes having a 1H-imida

Details Photographic emulsions containing methine dyes having a 1H-imida Photographic emulsions containing methine dyes having a 1H-imida

1974-06-26

1977-02-08

Curtis, Allen B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260250BC, 2602404, 2602406, 26024065, 2602407, C07C47104, C07C40106, C07C40306

Patent

active

040071707

ABSTRACT:
Light-sensitive photographic emulsions are provided which feature at least one methine dye containing a silver halide sensitizing 1H-imidazo[4,5-b]pyrazine nucleus.

REFERENCES:
patent: 3542548 (1970-11-01), Mee et al.
patent: 3597196 (1971-08-01), Jones et al.
patent: 3598595 (1971-08-01), Mee et al.
patent: 3632808 (1972-01-01), Brooker et al.

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