Photographic acyl acetanilide color couplers with 2,5-dioxo-1-im

Details Photographic acyl acetanilide color couplers with 2,5-dioxo-1-im Photographic acyl acetanilide color couplers with 2,5-dioxo-1-im

1972-04-06

1976-08-10

Klein, David

Gas separation: apparatus

Electric field separation apparatus

And serially arranged nonelectrical separator

96100, G03C 700, G03C 140

Patent

active

039739686

ABSTRACT:
An imagewise-exposed, light-sensitive silver halide color photographic material is developed, by use of developer, in the presence of a compound of the general formula: ##EQU1## wherein A is a residue formed by removing one of the hydrogen atoms of the active methylene group of an active methylene group-containing yellow image-forming coupler of the acyl acetanilide type; X is a hydrogen atom, or an alkyl, acyl, carboxymethyl, alkoxycarbonylmethyl, carbamylmethyl, aryl, aralkyl, nitro or amino group; and Y and Z are individually a hydrogen atom, or an alkyl, ureido, aryl, aralkyl, benzylidene, styryl, or anilino group.

REFERENCES:
patent: 2632702 (1953-03-01), Sawdey
patent: 3328419 (1967-06-01), Anderson
patent: 3458315 (1969-07-01), Loria
patent: 3730722 (1973-05-01), Inoue et al.

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