Dye developer for diffusion transfer elements

Details Dye developer for diffusion transfer elements Dye developer for diffusion transfer elements

1974-09-18

1976-04-27

Klein, David

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96 3, 96 29D, 96 77, 96 99, G03C 176, G03C 140, G03C 110, G03C 700

Patent

active

039532119

ABSTRACT:
A color diffusion transfer photographic light-sensitive material which comprises a support having thereon at least one light-sensitive silver halide emulsion layer containing a silver halide combined with a dye developer, one of the light-sensitive silver halide emulsion layers being combined with a dye developer represented by the following General Formula (I); ##EQU1## wherein Ar represents a divalent aromatic group; X represents ##EQU2## with R being an alkyl group having 1 to 3 carbon atoms, --NHCO-- with the nitrogen atom being connected to the Ar group or --OCO-- with the oxygen atom being connected to the Ar group; and Y represents an aromatic group having a substituent containing a hydroquinonyl group.

REFERENCES:
patent: 3255001 (1966-06-01), Blout et al.
patent: 3297441 (1967-01-01), Green et al.
patent: 3312682 (1967-04-01), Simon et al.

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