Process of forming yellow photographic images

Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...

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430557, 430558, G03C 140

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active

042699363

ABSTRACT:
The process of forming a dye image by developing an image-exposed silver halide photographic emulsion layer by an aromatic primary amine color developing agent in the presence of the yellow dye forming coupler shown by the general formula ##STR1## wherein R.sup.1 represents an aromatic group, R.sup.2 represents an aromatic group or a heterocyclic group, and Z represents the non-metallic atom or atoms necessary for forming a 4-membered ring, a 5-membered ring or a 6-membered ring together with ##STR2## in the above formula. A photographic element containing such a yellow-forming coupler.

REFERENCES:
patent: 3328419 (1967-06-01), Anderson
patent: 3615603 (1971-10-01), Iwama et al.
patent: 3730722 (1973-05-01), Inoue et al.
patent: 3738840 (1973-06-01), Anderson
patent: 3973968 (1976-08-01), Fujiwhara et al.
patent: 4057432 (1977-11-01), Fujiwhara et al.

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