Silver halide photographic light sensitive material

Details Silver halide photographic light sensitive material Silver halide photographic light sensitive material

1976-06-30

1977-09-06

Brown, J. Travis

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96 74, 96100R, 96126, 96133, G03C 176, G03C 120

Patent

active

040465721

ABSTRACT:
An improved silver halide photographic light-sensitive material comprising a support having coated thereon at least one photographic emulsion layer containing a dicarbocyanine dye having two heterocyclic nuclei which are 5- or 6-membered nitrogen-containing nuclei and which are connected to each other at the carbon atom in the 2- or 4-position thereof through a pentamethine chain, which can be substituted in the meso-position, a nitrogen atom of one nitrogen-containing heterocyclic nucleus of said carbocyanine dye being substituted by a sulfo- or carboxy-containing alkyl group, and a nitrogen atom of the other nitrogen-containing heterocyclic nucleus being substituted by an aralkyl group or an aryloxyalkyl group, with the proviso that said aralkyl and aryloxyalkyl groups are not substituted by a sulfo group or a carboxyl group.

REFERENCES:
patent: 2481464 (1949-09-01), Anish
patent: 3615613 (1971-10-01), Shiba et al.
patent: 3635721 (1972-01-01), Sato et al.

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